#F6F1EALinen
#E3D9CCBone
#5C6670Storm
#2A2E33Gunmetal

Oat & Slate color palette

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Oat & Slate is a monochromatic color palette tagged scandinavian, monochrome, minimal. All four colors sit within 1° of hue, so the scheme reads as one color explored across light and dark. Neither washed out nor loud, it adapts to most contexts. The overall temperature is warm.

Color codes click any value to copy

SwatchNameHEXRGBHSLOKLCH
Linen#F6F1EArgb(246, 241, 234)hsl(35, 40%, 94%)oklch(96.0% 0.011 77)
Bone#E3D9CCrgb(227, 217, 204)hsl(34, 29%, 85%)oklch(89.0% 0.021 75)
Storm#5C6670rgb(92, 102, 112)hsl(210, 10%, 40%)oklch(50.5% 0.020 248)
Gunmetal#2A2E33rgb(42, 46, 51)hsl(213, 10%, 18%)oklch(29.9% 0.011 254)

Why it works and how to use it

The palette holds together thanks to its monochromatic hue relationship and a strong light-to-dark ladder (94% down to 18% lightness). A natural fit for websites, presentations and branding.

  • Background: Linen (#F6F1EA) is the lightest color, so it belongs on large surfaces.
  • Text: Gunmetal (#2A2E33) on #F6F1EA gives 12.16:1, passing WCAG AAA.
  • Primary: Bone (#E3D9CC) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
  • Accent: Storm (#5C6670) for highlights, badges and hover states.

3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Linen on Gunmetal at 12.16:1.

Preview on a real UI see how the palette feels in context

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Design faster with Oat & Slate

A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.

Primary action Secondary
Card title
Card title
Card title
Roles are assigned by lightness.

Color blindness simulation

#F6F1EA
#E3D9CC
#5C6670
#2A2E33

Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.

Contrast check WCAG ratios between palette colors

PairSampleRatioLevel
#F6F1EA on #2A2E33Aa12.16:1AAA
#E3D9CC on #2A2E33Aa9.8:1AAA
#F6F1EA on #5C6670Aa5.21:1AA
#E3D9CC on #5C6670Aa4.2:1AA large only
#5C6670 on #2A2E33Aa2.34:1Fail
#F6F1EA on #E3D9CCAa1.24:1Fail

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