#F2F4F5Smoke
#C9CED3Fog
#8A949BPewter
#3B4247Iron

Silver Birch color palette

Open in generator
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Silver Birch is a muted neutral-based color palette tagged winter, monochrome, minimal. Smoke is the only saturated color here, so it does all the talking against a neutral base. Every color is softened, so it works well as a background system for text-heavy layouts.

Color codes click any value to copy

SwatchNameHEXRGBHSLOKLCH
Smoke#F2F4F5rgb(242, 244, 245)hsl(200, 13%, 95%)oklch(96.6% 0.003 229)
Fog#C9CED3rgb(201, 206, 211)hsl(210, 10%, 81%)oklch(84.9% 0.009 248)
Pewter#8A949Brgb(138, 148, 155)hsl(205, 8%, 57%)oklch(66.1% 0.016 238)
Iron#3B4247rgb(59, 66, 71)hsl(205, 9%, 25%)oklch(37.5% 0.013 239)

Why it works and how to use it

It works because the lightness range is wide (25% to 95%), which gives clear hierarchy between background, content and accents. Try it for websites, presentations and branding.

  • Background: Smoke (#F2F4F5) is the lightest color, so it belongs on large surfaces.
  • Text: Iron (#3B4247) on #F2F4F5 gives 9.26:1, passing WCAG AAA.
  • Primary: Fog (#C9CED3) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
  • Accent: Pewter (#8A949B) for highlights, badges and hover states.

2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Smoke on Iron at 9.26:1.

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

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Design faster with Silver Birch

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

#F2F4F5
#C9CED3
#8A949B
#3B4247

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

Contrast check WCAG ratios between palette colors

PairSampleRatioLevel
#F2F4F5 on #3B4247Aa9.26:1AAA
#C9CED3 on #3B4247Aa6.45:1AA
#8A949B on #3B4247Aa3.3:1AA large only
#F2F4F5 on #8A949BAa2.8:1Fail
#C9CED3 on #8A949BAa1.95:1Fail
#F2F4F5 on #C9CED3Aa1.44:1Fail

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