#51551F#51551F

#51551F is a dark, moderate yellow. Relative luminance 0.083; OKLCH L 43.4% C 0.076 H 113.1°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#51551F
RGB	rgb(81, 85, 31)
HSL	hsl(64, 47%, 23%)
HSV	hsv(64, 64%, 33%)
CMYK	cmyk(4.7%, 0%, 63.5%, 66.7%)
CIE-LAB	lab(34.69, -10.03, 30.22)
CIE-LCH	lch(34.69, 31.84, 108.36°)
OKLab	oklab(43.35% -0.0297 0.0697)
OKLCH	oklch(43.35% 0.076 113.1)
XYZ	xyz(6.8893, 8.3454, 2.5440)
Luminance	0.0834 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51551F #231F55

analogous

#553E1F #51551F #36551F

triadic

#51551F #1F5155 #551F51

tetradic

#51551F #1F553E #231F55 #551F36

square

#51551F #1F553E #231F55 #551F36

split-complementary

#51551F #1F3655 #3E1F55

monochromatic

#151608 #26280F #51551F #7C822F #A6AF40

Accessibility & contrast

On white

7.87

#51551F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#51551F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51551F

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51551F	#FFFFFF	#000000	##FFFFFF
##51551F	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5119

Deuteranopia (green-blind)

#5B5222

Tritanopia (blue-blind)

#565049

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #51551f;
/* rgb */ color: rgb(81, 85, 31);
/* oklch */ color: oklch(43.4% 0.076 113.1);

Tailwind

colors: {
  custom: {
    50: '#83845d',
    500: '#51551f',
    950: '#000000',
  },
}

SCSS

$custom: #51551f;
$custom-light: #83845d;
$custom-dark: #000000;

JSON

{
  "hex": "#51551f",
  "rgb": {
    "r": 81,
    "g": 85,
    "b": 31
  },
  "hsl": {
    "h": 64.444,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43353,
    "c": 0.07575,
    "h": 113.1
  },
  "luminance": 0.08345
}

Semantic roles & 50–950 ramp

primary

#51551F

secondary

#4B468A

accent

#52D65B

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51551F

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

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