#51531F#51531F

#51531F is a dark, moderate yellow. Relative luminance 0.080; OKLCH L 42.8% C 0.073 H 111.2°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#51531F
RGB	rgb(81, 83, 31)
HSL	hsl(62, 46%, 22%)
HSV	hsv(62, 63%, 33%)
CMYK	cmyk(2.4%, 0%, 62.7%, 67.5%)
CIE-LAB	lab(34.06, -8.86, 29.52)
CIE-LCH	lch(34.06, 30.82, 106.71°)
OKLab	oklab(42.85% -0.0264 0.0682)
OKLCH	oklch(42.85% 0.073 111.2)
XYZ	xyz(6.7341, 8.0349, 2.4922)
Luminance	0.0804 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51531F #211F53

analogous

#533B1F #51531F #37531F

triadic

#51531F #1F5153 #531F51

tetradic

#51531F #1F533B #211F53 #531F37

square

#51531F #1F533B #211F53 #531F37

split-complementary

#51531F #1F3753 #3B1F53

monochromatic

#161608 #26260E #51531F #7C8030 #A8AC40

Accessibility & contrast

On white

8.06

#51531F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#51531F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51531F

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51531F	#FFFFFF	#000000	##FFFFFF
##51531F	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F19

Deuteranopia (green-blind)

#5A5122

Tritanopia (blue-blind)

#574E48

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #51531f;
/* rgb */ color: rgb(81, 83, 31);
/* oklch */ color: oklch(42.8% 0.073 111.2);

Tailwind

colors: {
  custom: {
    50: '#83835d',
    500: '#51531f',
    950: '#000000',
  },
}

SCSS

$custom: #51531f;
$custom-light: #83835d;
$custom-dark: #000000;

JSON

{
  "hex": "#51531f",
  "rgb": {
    "r": 81,
    "g": 83,
    "b": 31
  },
  "hsl": {
    "h": 62.308,
    "s": 45.614,
    "l": 22.353
  },
  "oklch": {
    "l": 0.42845,
    "c": 0.07311,
    "h": 111.2
  },
  "luminance": 0.08035
}

Semantic roles & 50–950 ramp

primary

#51531F

secondary

#494688

accent

#53D558

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0A04

muted

#7C7C79

Preview Lab

Preview with #51531F

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

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