#222831
#575D65
#00ADB5
#EEEEEE
#00312FGunmetal
#8EB3A9Sage
#CCC9CALavender Gray
#E0A446Marigold
Concrete Marigold & Gunmetal is a complementary color palette tagged modern, minimal, gray. Near-complementary hues (about 141° apart) make this a high-contrast, attention-grabbing combination. Saturation is moderate, which keeps it flexible for both interfaces and print. Warm and cool hues are mixed, which adds depth.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Gunmetal | #00312F | rgb(0, 49, 47) | hsl(178, 100%, 10%) | oklch(28.3% 0.049 190) | |
| Sage | #8EB3A9 | rgb(142, 179, 169) | hsl(164, 20%, 63%) | oklch(73.7% 0.043 177) | |
| Lavender Gray | #CCC9CA | rgb(204, 201, 202) | hsl(340, 3%, 79%) | oklch(83.9% 0.004 355) | |
| Marigold | #E0A446 | rgb(224, 164, 70) | hsl(37, 71%, 58%) | oklch(75.9% 0.130 76) |
Why it works and how to use it
It works because the lightness range is wide (10% to 79%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.
- Background: Lavender Gray (#CCC9CA) is the lightest color, so it belongs on large surfaces.
- Text: Gunmetal (#00312F) on #CCC9CA gives 8.63:1, passing WCAG AAA.
- Primary: Marigold (#E0A446) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Sage (#8EB3A9) for highlights, badges and hover states.
3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Gunmetal on Lavender Gray at 8.63:1.
Preview on a real UI see how the palette feels in context
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Design faster with Concrete Marigold & Gunmetal
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
#00312F
#8EB3A9
#CCC9CA
#E0A446
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#00312F on #CCC9CA | Aa | 8.63:1 | AAA |
#00312F on #E0A446 | Aa | 6.46:1 | AA |
#00312F on #8EB3A9 | Aa | 6.2:1 | AA |
#8EB3A9 on #CCC9CA | Aa | 1.39:1 | Fail |
#CCC9CA on #E0A446 | Aa | 1.34:1 | Fail |
#8EB3A9 on #E0A446 | Aa | 1.04:1 | Fail |
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