#51550C#51550C

#51550C is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.2% C 0.090 H 112.9°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#51550C
RGB	rgb(81, 85, 12)
HSL	hsl(63, 75%, 19%)
HSV	hsv(63, 86%, 33%)
CMYK	cmyk(4.7%, 0%, 85.9%, 66.7%)
CIE-LAB	lab(34.55, -11.24, 38.25)
CIE-LCH	lch(34.55, 39.87, 106.37°)
OKLab	oklab(43.19% -0.0351 0.0832)
OKLCH	oklch(43.19% 0.09 112.9)
XYZ	xyz(6.7084, 8.2730, 1.5912)
Luminance	0.0827 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51550C #100C55

analogous

#55350C #51550C #2D550C

triadic

#51550C #0C5155 #550C51

tetradic

#51550C #0C5535 #100C55 #550C2D

square

#51550C #0C5535 #100C55 #550C2D

split-complementary

#51550C #0C2D55 #350C55

monochromatic

#1A1B04 #1E1F04 #51550C #848B14 #B7C01B

Accessibility & contrast

On white

7.91

#51550C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#51550C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51550C

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51550C	#FFFFFF	#000000	##FFFFFF
##51550C	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5000

Deuteranopia (green-blind)

#5C5213

Tritanopia (blue-blind)

#574F48

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #51550c;
/* rgb */ color: rgb(81, 85, 12);
/* oklch */ color: oklch(43.2% 0.090 112.9);

Tailwind

colors: {
  custom: {
    50: '#858453',
    500: '#51550c',
    950: '#000000',
  },
}

SCSS

$custom: #51550c;
$custom-light: #858453;
$custom-dark: #000000;

JSON

{
  "hex": "#51550c",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 12
  },
  "hsl": {
    "h": 63.288,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.43189,
    "c": 0.09027,
    "h": 112.9
  },
  "luminance": 0.08273
}

Semantic roles & 50–950 ramp

primary

#51550C

secondary

#322D90

accent

#36F240

background

#F8F8F4

surface

#EFEFE7

border

#CACAC3

text

#0B0A03

muted

#7C7C78

Preview Lab

Preview with #51550C

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

Preview Lab → · Contrast checker → · Palette generator →