#51571E#51571E

#51571E is a dark, moderate yellow. Relative luminance 0.087; OKLCH L 43.9% C 0.079 H 114.8°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#51571E
RGB	rgb(81, 87, 30)
HSL	hsl(66, 49%, 23%)
HSV	hsv(66, 66%, 34%)
CMYK	cmyk(6.9%, 0%, 65.5%, 65.9%)
CIE-LAB	lab(35.32, -11.27, 31.42)
CIE-LCH	lch(35.32, 33.38, 109.73°)
OKLab	oklab(43.85% -0.0333 0.0721)
OKLCH	oklch(43.85% 0.079 114.8)
XYZ	xyz(7.0360, 8.6596, 2.5289)
Luminance	0.0866 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51571E #241E57

analogous

#57401E #51571E #34571E

triadic

#51571E #1E5157 #571E51

tetradic

#51571E #1E5740 #241E57 #571E34

square

#51571E #1E5740 #241E57 #571E34

split-complementary

#51571E #1E3457 #401E57

monochromatic

#151708 #27290E #51571E #7B852E #A6B23D

Accessibility & contrast

On white

7.69

#51571E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#51571E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51571E

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51571E	#FFFFFF	#000000	##FFFFFF
##51571E	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5317

Deuteranopia (green-blind)

#5D5422

Tritanopia (blue-blind)

#56524B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #51571e;
/* rgb */ color: rgb(81, 87, 30);
/* oklch */ color: oklch(43.9% 0.079 114.8);

Tailwind

colors: {
  custom: {
    50: '#84865d',
    500: '#51571e',
    950: '#000000',
  },
}

SCSS

$custom: #51571e;
$custom-light: #84865d;
$custom-dark: #000000;

JSON

{
  "hex": "#51571e",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 30
  },
  "hsl": {
    "h": 66.316,
    "s": 48.718,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43853,
    "c": 0.0794,
    "h": 114.8
  },
  "luminance": 0.08659
}

Semantic roles & 50–950 ramp

primary

#51571E

secondary

#4C458C

accent

#50D85E

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51571E

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

Preview Lab → · Contrast checker → · Palette generator →