#51551A#51551A

#51551A is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.3% C 0.080 H 113.0°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#51551A
RGB	rgb(81, 85, 26)
HSL	hsl(64, 53%, 22%)
HSV	hsv(64, 69%, 33%)
CMYK	cmyk(4.7%, 0%, 69.4%, 66.7%)
CIE-LAB	lab(34.64, -10.43, 32.65)
CIE-LCH	lch(34.64, 34.27, 107.72°)
OKLab	oklab(43.3% -0.0314 0.074)
OKLCH	oklch(43.3% 0.08 113)
XYZ	xyz(6.8285, 8.3211, 2.2235)
Luminance	0.0832 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51551A #1E1A55

analogous

#553C1A #51551A #34551A

triadic

#51551A #1A5155 #551A51

tetradic

#51551A #1A553C #1E1A55 #551A34

square

#51551A #1A553C #1E1A55 #551A34

split-complementary

#51551A #1A3455 #3C1A55

monochromatic

#161707 #24260C #51551A #7E8428 #AAB337

Accessibility & contrast

On white

7.88

#51551A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#51551A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51551A

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51551A	#FFFFFF	#000000	##FFFFFF
##51551A	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5112

Deuteranopia (green-blind)

#5C521E

Tritanopia (blue-blind)

#575049

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #51551a;
/* rgb */ color: rgb(81, 85, 26);
/* oklch */ color: oklch(43.3% 0.080 113.0);

Tailwind

colors: {
  custom: {
    50: '#84845a',
    500: '#51551a',
    950: '#000000',
  },
}

SCSS

$custom: #51551a;
$custom-light: #84845a;
$custom-dark: #000000;

JSON

{
  "hex": "#51551a",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 26
  },
  "hsl": {
    "h": 64.068,
    "s": 53.153,
    "l": 21.765
  },
  "oklch": {
    "l": 0.43298,
    "c": 0.08043,
    "h": 113
  },
  "luminance": 0.08321
}

Semantic roles & 50–950 ramp

primary

#51551A

secondary

#45408B

accent

#4BDD55

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51551A

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

Preview Lab → · Contrast checker → · Palette generator →