#222831
#575D65
#00ADB5
#EEEEEE
#161B22Ink
#484E55Graphite
#F0B429Mustard
#E6EDF3Frost
Slate & Amber is a complementary color palette tagged dark, tech, minimal. Near-complementary hues (about 173° 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
Why it works and how to use it
It works because the lightness range is wide (11% to 93%), which gives clear hierarchy between background, content and accents. Try it for a SaaS landing page or dashboard.
- Background: Frost (#E6EDF3) is the lightest color, so it belongs on large surfaces.
- Text: Ink (#161B22) on #E6EDF3 gives 14.64:1, passing WCAG AAA.
- Primary: Mustard (#F0B429) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Graphite (#484E55) for highlights, badges and hover states.
4 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Ink on Frost at 14.64:1.
Preview on a real UI see how the palette feels in context
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Design faster with Slate & Amber
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
#161B22
#484E55
#F0B429
#E6EDF3
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#161B22 on #E6EDF3 | Aa | 14.64:1 | AAA |
#161B22 on #F0B429 | Aa | 9.28:1 | AAA |
#484E55 on #E6EDF3 | Aa | 7.12:1 | AAA |
#484E55 on #F0B429 | Aa | 4.51:1 | AA |
#161B22 on #484E55 | Aa | 2.06:1 | Fail |
#F0B429 on #E6EDF3 | Aa | 1.58:1 | Fail |
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