#66571A#66571A

#66571A is a mid, moderate yellow. Relative luminance 0.097; OKLCH L 45.9% C 0.081 H 95.0°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#66571A
RGB	rgb(102, 87, 26)
HSL	hsl(48, 59%, 25%)
HSV	hsv(48, 75%, 40%)
CMYK	cmyk(0%, 14.7%, 74.5%, 60%)
CIE-LAB	lab(37.33, -1.34, 36.07)
CIE-LCH	lch(37.33, 36.09, 92.12°)
OKLab	oklab(45.93% -0.0071 0.0805)
OKLCH	oklch(45.93% 0.081 95)
XYZ	xyz(9.0746, 9.7162, 2.3745)
Luminance	0.0972 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66571A #1A2966

analogous

#66311A #66571A #4F661A

triadic

#66571A #1A6657 #571A66

tetradic

#66571A #1A6631 #1A2966 #661A4F

square

#66571A #1A6631 #1A2966 #661A4F

split-complementary

#66571A #1A4F66 #311A66

monochromatic

#181506 #352D0E #66571A #978126 #C8AA33

Accessibility & contrast

On white

7.14

#66571A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#66571A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66571A

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66571A	#FFFFFF	#000000	##FFFFFF
##66571A	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615511

Deuteranopia (green-blind)

#645A1D

Tritanopia (blue-blind)

#6F504B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #66571a;
/* rgb */ color: rgb(102, 87, 26);
/* oklch */ color: oklch(45.9% 0.081 95.0);

Tailwind

colors: {
  custom: {
    50: '#94865b',
    500: '#66571a',
    950: '#000000',
  },
}

SCSS

$custom: #66571a;
$custom-light: #94865b;
$custom-dark: #000000;

JSON

{
  "hex": "#66571a",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 26
  },
  "hsl": {
    "h": 48.158,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.45931,
    "c": 0.08085,
    "h": 95
  },
  "luminance": 0.09716
}

Semantic roles & 50–950 ramp

primary

#66571A

secondary

#40529C

accent

#64E345

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0E0B04

muted

#7E7C79

Preview Lab

Preview with #66571A

Body copy rendered with the generated semantic roles for this colour.

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