#3B1B5DSpace
#66428BDusk
#D2A400Mustard
#DFDDD8Bone

Mustard & Dusk Echo color palette

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Mustard & Dusk Echo is a complementary color palette tagged modern, blue, yellow. Space and Mustard sit nearly opposite on the color wheel, so the pairing has real energy; keep one as the accent. Neither washed out nor loud, it adapts to most contexts. Warm and cool hues are mixed, which adds depth.

Color codes click any value to copy

SwatchNameHEXRGBHSLOKLCH
Space#3B1B5Drgb(59, 27, 93)hsl(269, 55%, 24%)oklch(30.6% 0.113 302)
Dusk#66428Brgb(102, 66, 139)hsl(270, 36%, 40%)oklch(45.4% 0.120 305)
Mustard#D2A400rgb(210, 164, 0)hsl(47, 100%, 41%)oklch(74.0% 0.151 88)
Bone#DFDDD8rgb(223, 221, 216)hsl(43, 10%, 86%)oklch(89.8% 0.007 89)

Why it works and how to use it

With 3 chromatic colors, Mustard takes the lead while the rest support. Lightness runs from 24% to 86%. Well suited to websites, presentations and branding.

  • Background: Bone (#DFDDD8) is the lightest color, so it belongs on large surfaces.
  • Text: Space (#3B1B5D) on #DFDDD8 gives 10.31:1, passing WCAG AAA.
  • Primary: Mustard (#D2A400) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
  • Accent: Dusk (#66428B) for highlights, badges and hover states.

3 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Space on Bone at 10.31:1.

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

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Design faster with Mustard & Dusk Echo

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

#3B1B5D
#66428B
#D2A400
#DFDDD8

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

Contrast check WCAG ratios between palette colors

PairSampleRatioLevel
#3B1B5D on #DFDDD8Aa10.31:1AAA
#3B1B5D on #D2A400Aa6.03:1AA
#66428B on #DFDDD8Aa5.69:1AA
#66428B on #D2A400Aa3.33:1AA large only
#3B1B5D on #66428BAa1.81:1Fail
#D2A400 on #DFDDD8Aa1.71:1Fail

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