#000814
#1B3A69
#2A5A99
#FFC300
#EEB600Mustard
#FFF9E1Buttercream
#073B6DPrussian Blue
#000814Obsidian
Sunflower is a vivid complementary color palette tagged dark, yellow, blue. Near-complementary hues (about 163° apart) make this a high-contrast, attention-grabbing combination. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Mustard | #EEB600 | rgb(238, 182, 0) | hsl(46, 100%, 47%) | oklch(80.5% 0.165 86) | |
| Buttercream | #FFF9E1 | rgb(255, 249, 225) | hsl(48, 100%, 94%) | oklch(98.0% 0.032 95) | |
| Prussian Blue | #073B6D | rgb(7, 59, 109) | hsl(209, 88%, 23%) | oklch(35.1% 0.101 253) | |
| Obsidian | #000814 | rgb(0, 8, 20) | hsl(216, 100%, 4%) | oklch(13.1% 0.034 247) |
Why it works and how to use it
It works because the lightness range is wide (4% to 94%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Buttercream (#FFF9E1) is the lightest color, so it belongs on large surfaces.
- Text: Obsidian (#000814) on #FFF9E1 gives 19.04:1, passing WCAG AAA.
- Primary: Mustard (#EEB600) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Prussian Blue (#073B6D) for highlights, badges and hover states.
4 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Buttercream on Obsidian at 19.04:1.
Preview on a real UI see how the palette feels in context
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Design faster with Sunflower
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryCard title
Card title
Card title
Roles are assigned by lightness.
Color blindness simulation
#EEB600
#FFF9E1
#073B6D
#000814
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#FFF9E1 on #000814 | Aa | 19.04:1 | AAA |
#EEB600 on #000814 | Aa | 10.84:1 | AAA |
#FFF9E1 on #073B6D | Aa | 10.72:1 | AAA |
#EEB600 on #073B6D | Aa | 6.1:1 | AA |
#073B6D on #000814 | Aa | 1.78:1 | Fail |
#EEB600 on #FFF9E1 | Aa | 1.76:1 | Fail |
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