#63571A#63571A

#63571A is a mid, moderate yellow. Relative luminance 0.095; OKLCH L 45.6% C 0.081 H 97.9°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#63571A
RGB	rgb(99, 87, 26)
HSL	hsl(50, 58%, 25%)
HSV	hsv(50, 74%, 39%)
CMYK	cmyk(0%, 12.1%, 73.7%, 61.2%)
CIE-LAB	lab(37.01, -2.81, 35.64)
CIE-LCH	lch(37.01, 35.75, 94.51°)
OKLab	oklab(45.61% -0.0111 0.0798)
OKLCH	oklch(45.61% 0.081 97.9)
XYZ	xyz(8.7406, 9.5440, 2.3589)
Luminance	0.0954 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63571A #1A2663

analogous

#63331A #63571A #4B631A

triadic

#63571A #1A6357 #571A63

tetradic

#63571A #1A6333 #1A2663 #631A4B

square

#63571A #1A6333 #1A2663 #631A4B

split-complementary

#63571A #1A4B63 #331A63

monochromatic

#181506 #332C0D #63571A #938227 #C4AC33

Accessibility & contrast

On white

7.22

#63571A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#63571A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63571A

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63571A	#FFFFFF	#000000	##FFFFFF
##63571A	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605511

Deuteranopia (green-blind)

#63591D

Tritanopia (blue-blind)

#6B504B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #63571a;
/* rgb */ color: rgb(99, 87, 26);
/* oklch */ color: oklch(45.6% 0.081 97.9);

Tailwind

colors: {
  custom: {
    50: '#92865b',
    500: '#63571a',
    950: '#000000',
  },
}

SCSS

$custom: #63571a;
$custom-light: #92865b;
$custom-dark: #000000;

JSON

{
  "hex": "#63571a",
  "rgb": {
    "r": 99,
    "g": 87,
    "b": 26
  },
  "hsl": {
    "h": 50.137,
    "s": 58.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.45605,
    "c": 0.08052,
    "h": 97.9
  },
  "luminance": 0.09544
}

Semantic roles & 50–950 ramp

primary

#63571A

secondary

#404F99

accent

#60E246

background

#F9F8F5

surface

#F2EFE9

border

#CCCAC5

text

#0D0B04

muted

#7E7C79

Preview Lab

Preview with #63571A

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

Preview Lab → · Contrast checker → · Palette generator →