提示词库 · 水彩插画

让颜料像水一样流动的水彩提示词

十条实测的水彩插画提示词,按技法和用途分类——湿画法天空、渐变渲染、植物图谱、钢笔淡彩街景、绘本场景、美食、鸟类习作。未经修饰的输出,竖幅3:4,正好是贺卡或装饰画的形状。

01怎么写提示词

怎样写出以假乱真的水彩提示词?

描述水做了什么,而不是描述风格。单写「watercolor style」,得到的是一张盖了纸纹滤镜的数码画:颜色均匀,什么都描了边,每个角落都填得满满当当。真正的水彩靠意外和画家的留白被认出来,所以要把这些写清楚:「painted wet-on-wet, indigo and burnt sienna clouds bleeding softly into each other, a pale lemon gap near the horizon where the white paper glows through, cauliflower blooms where wet paint met drying paint, pigment granulating in the paper's grain」。起作用的是四类词:颜料有多湿(湿画法、罩染、干笔),边缘怎么处理(硬边、柔边、消失边),发生了哪些意外(水渍花、回流、滴痕、喷溅),以及纸张。冷压纸粗糙、颗粒感强;热压纸光滑,适合画植物。

然后说清颜料停在哪里。透明水彩没有白色颜料,所以画面里最亮的地方就是没人碰过的纸:水面上的太阳光路、湿橙子上的高光、被阳光照亮的墙。把这些区域写成「left as bare paper」,画面就不再像喷枪画。下面那张港口的效果比我预想的还要好。对画面内容也要同样明确。我的第一张街景速写冒出了一个遛宠物的路人、阳台上的一只猫,还有一座钟楼收住视线——这些我一样都没要,所以这里的版本写明了街道尽头是什么。每张图都是旁边那条提示词在BananaBanana上生成的未经修饰的首次输出。

AI水彩能印刷或出售吗?

能,但要按它的本来面目:一张水彩风格的数码插画。你在BananaBanana上生成的图片归你所有,贺卡、艺术微喷、绘本跨页和菜谱页面都是正当用途。你不能做的,是把它当作原作挂出来,或者说它是手绘的。颜料从未碰过纸,花钱买原作的买家完全有理由投诉。写「数码水彩插画」或「艺术印刷品」既准确,也一样好卖。

三条实际限制。纸张纹理已经固化在画面里了:纹路本身就是像素,所以用粗纹水彩纸来印,会有两层纹理互相打架,光滑的哑光纸反而印得更好。这个画幅的1K图是896×1200像素,按印刷质量大约只有3×4英寸,所以把它当作选方向的手段。做贺卡或挂墙的装饰画时,把选中的那张按2K或4K重新生成:Nano Banana 2为$0.09或$0.13,Pro为$0.11或$0.20(Lite只有1K)。另外,要点名技法或传统,比如「nineteenth-century botanical plate」或「line and wash urban sketch」,而不是某位在世画家。

02提示词

10 条提示词,真实结果

下面每张图片都是所在卡片提示词的未修输出——没有从几十次尝试里挑好的,也没有修图。模型徽标标明了它由什么生成、花了多少钱。

AI 生成的水彩插画示例——湿画法——沼泽上空的暮色,在 BananaBanana 用 Nano Banana 2 Lite 制作

湿画法——沼泽上空的暮色

Nano Banana 2 Lite$0.03 / 张

Flat straight-on scan of a watercolor painting that fills the whole frame: a wide evening sky over a flat marsh, painted wet-on-wet on cold-pressed paper, indigo and burnt sienna clouds bleeding softly into each other, a pale lemon gap near the horizon where the white paper glows through. Cauliflower blooms and backruns sit where wet paint met drying paint, and the pigment granulates in the paper's grain. The land is a single dark dry-brush stroke with a few reeds flicked upward. Loose, wet and unfussy, a narrow uneven margin of bare paper on all four sides, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——植物图谱——玉兰花枝,在 BananaBanana 用 Nano Banana Pro 制作

植物图谱——玉兰花枝

Nano Banana Pro$0.11 / 张

Botanical watercolor study of a single magnolia branch in the tradition of nineteenth-century botanical plates: two open blossoms, one tight bud and four glossy leaves on a woody twig, isolated on warm ivory hot-pressed paper. Petals are built from many thin transparent glazes, blush pink deepening to magenta at the base, with the palest areas left as bare paper; leaf veins are lifted out lighter, and a faint graphite underdrawing shows along the stem. To the lower right, a small separate study of one petal and the seed cone. Precise, delicate and naturalistic, soft even daylight, unsigned and unlabelled. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——钢笔淡彩——老城街道,在 BananaBanana 用 Nano Banana 2 制作

钢笔淡彩——老城街道

Nano Banana 2$0.06 / 张

Urban sketch in ink line and watercolor wash on a sketchbook page: a narrow old-town street climbing uphill to a stone archway with blue sea beyond, lined with shuttered houses, plain tiled roofs and chimneys, balconies of potted plants, a parked bicycle and awnings over shops with blank signboards. The lines are a quick wobbly waterproof fineliner that leaves gaps and overshoots corners; the colour is loose and stays outside the lines in places, in ochre, terracotta and cool blue-violet for the shadow side. Sunlit walls are bare paper. Two tiny faceless figures in single brushstrokes carry shopping baskets. Unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——贺卡——写意银莲花环,在 BananaBanana 用 Nano Banana 2 Lite 制作

贺卡——写意银莲花环

Nano Banana 2 Lite$0.03 / 张

Loose watercolor illustration for a greeting card: a crescent-shaped garland of anemones, ranunculus and eucalyptus leaves curving around the left and lower edges of the sheet, leaving a clean empty area of white paper in the upper right for a handwritten message. Each petal is one or two transparent brushstrokes in dusty pink, coral and plum, colours touching and bleeding into each other where they meet, leaves in grey-green with a few dry-brush stems and fine splatter. Bright white hot-pressed paper, airy and fresh, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——绘本——雨中的小狐狸,在 BananaBanana 用 Nano Banana 2 制作

绘本——雨中的小狐狸

Nano Banana 2$0.06 / 张

Watercolor children's picture-book illustration: a small fox cub in a mustard-yellow knitted scarf sheltering from the rain under a large red-capped mushroom, holding out one paw to catch a drop, with a snail on a fern leaf watching from beside it. Soft rounded shapes, gentle coloured-pencil details over transparent washes for the fur and the mushroom gills, raindrops left as tiny unpainted flecks. Warm autumn palette of rust, mustard and moss green on textured cream paper, the scene fading out as a soft vignette to bare paper at the edges. Cosy and gentle, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——以纸为光——港口清晨,在 BananaBanana 用 Nano Banana Pro 制作

以纸为光——港口清晨

Nano Banana Pro$0.11 / 张

Watercolor painting of a small fishing harbour at dawn, looking into the light: three wooden boats with plain unmarked hulls moored at a stone quay, masts and rigging dark against a pale sky, low houses on the far shore reduced to soft violet-grey shapes. The low sun and its long sparkling reflection across the water are bare white paper, broken by horizontal dry-brush strokes that skip over the paper's grain. Warm ochre on the sunlit quay, deep ultramarine and burnt umber in the hulls and their reflections, a clean white margin left by masking tape on all four sides. Unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——美食插画——柑橘与石榴,在 BananaBanana 用 Nano Banana 2 制作

美食插画——柑橘与石榴

Nano Banana 2$0.06 / 张

Watercolor food illustration for a recipe page, viewed from directly above: a halved blood orange, two lemon slices, a whole lemon with a leaf, an opened pomegranate spilling seeds, a sprig of mint and a small bowl of honey with a wooden dipper, arranged loosely across white paper with generous space between them. Juicy transparent glazes built in two or three layers, highlights on the wet fruit left as unpainted white paper, soft pale blue-grey cast shadows under each item, a few splashes of orange and crimson. Fresh, bright and appetising, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——渐变渲染——雾中山脊,在 BananaBanana 用 Nano Banana 2 Lite 制作

渐变渲染——雾中山脊

Nano Banana 2 Lite$0.03 / 张

Minimal watercolor landscape built from five overlapping graded washes: mountain ridges receding into mist, the nearest one deep indigo, each further ridge paler and bluer until the last almost disappears into the bare paper. Every ridge has a crisp hard top edge and fades to clear water at its base, with pigment granulating in the valleys. A few tiny pine silhouettes on the closest slope, a pale warm wash of sky and a small unpainted disc for the sun. Rough cold-pressed paper texture, calm and spacious, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——鸟类习作——芦苇上的翠鸟,在 BananaBanana 用 Nano Banana Pro 制作

鸟类习作——芦苇上的翠鸟

Nano Banana Pro$0.11 / 张

Watercolor bird study of a kingfisher perched on a bent reed, shown in profile. The eye, beak and breast feathers are painted crisp and exact with a fine brush, while the turquoise back and tail break apart into loose wet washes, drips running down the paper and a spray of fine splatter in cobalt and burnt orange. A single unpainted fleck of paper makes the highlight in the eye. The reed is two quick olive strokes; the background is left white apart from one pale blue bloom behind the bird. Cold-pressed paper grain visible, unsigned. No text, letters or numbers anywhere in the image.

AI 生成的水彩插画示例——写意人物——草帽背影,在 BananaBanana 用 Nano Banana 2 制作

写意人物——草帽背影

Nano Banana 2$0.06 / 张

Loose watercolor figure study of a woman seen from behind, standing at the edge of a wheat field in a wide-brimmed straw hat and a long linen dress, one hand holding the hat brim against the wind. The figure is a handful of confident wet strokes: warm ochre for the hat, a diluted blue-grey for the shaded folds of the dress, the sunlit side left as untouched paper. Around her the field dissolves into pale yellow washes and dry-brush stalks, with large areas of the sheet left white. Economical and airy, soft edges lost into the background, unsigned. No text, letters or numbers anywhere in the image.

03技法

这些提示词为什么管用

说清颜料停在哪里

「The sun and its reflection are bare white paper」对真实感的贡献,胜过再多的「luminous」。透明水彩里最浅的色调永远是没上色的纸,所以点出高光或被阳光照亮的墙,并让模型别去碰它。

按名字点出意外效果

水渍花(blooms)、回流(backruns)、颗粒沉淀(granulation)、滴痕(drips)、喷溅(splatter)、干笔擦过纸纹留下的飞白(dry-brush)。每一种都是水会做出的具体事情,每一种都能让结果远离光滑的数码填色。一张图用上两三种就足够了。

扫描图还是实物照,先想好

模型会把水彩想象成桌上的一件东西。我的第一张沼泽天空提到了棉浆纸和纸张边缘,结果Lite返回了一张照片:一幅画斜放在沾满颜料的桌上。开头改成「flat straight-on scan of a watercolor painting that fills the whole frame」,一次就解决了。

一处精准,其余放松

一个焦点细节精确、其余部分任其散开时,水彩才显得有功力。要说清哪部分是哪部分,就像翠鸟那条提示词:眼睛和喙清晰锐利,尾巴化成滴痕。再加上「unsigned」。这十张没有一张在角落里冒出歪歪扭扭的签名。

04更多提示词

接着逛逛

05延伸阅读

来自博客的指南

06常见问题

水彩插画提示词,一一解答

AI水彩画可以印出来卖吗?

可以,作为数码插画或艺术印刷品出售;你在BananaBanana上生成的内容归你所有。不要把它描述成原作或手绘水彩。它是模仿颜料效果的数码图像,期待买到原作的买家会被误导。

印贺卡或海报需要多高的分辨率?

要高于1K。1K的竖幅图是896×1200像素,只够印约3×4英寸。把你满意的那条提示词按2K重新生成用于贺卡,按4K用于A4及更大尺寸:Nano Banana 2分别为$0.09和$0.13,Pro分别为$0.11和$0.20。Lite最高只到1K。

可以要求某位水彩画家的风格吗?

改为要求技法和传统。「Wet-on-wet with granulating pigment」「nineteenth-century botanical plate」和「line and wash urban sketch」都是共享的视觉语言,本页所有作品都是靠它们生成的。点名在世画家,得到的是对别人饭碗的模仿,而且画面通常还更弱。

怎样让整本书或整套贺卡保持同一种风格?

把具有你想要效果的那张图作为参考图上传,只描述新的主体,关于色板、纸张和技法的句子一字不改。每次从头重写提示词会产生漂移:纸张色调会变,渲染也会一张比一张更紧或更松。

该用哪个模型?

精度或光线撑起画面时,用$0.11的Pro:玉兰图谱、港口和翠鸟。有好几个元素需要理清的场景,用$0.06的Nano Banana 2,比如街道、小狐狸、水果和人物。$0.03的Lite处理纯粹的渲染很好(沼泽天空、花卉、山脊),不过会数错数。我要了五道山脊,它给了四道。

复制一条提示词,改成你自己的

每个新账户都从 $0.20 免费余额起步——足够在付费前试完六条图片提示词。无需订阅——加密货币充值 $1 起,银行卡 $20 起。