#51591A#51591A

#51591A is a dark, moderate yellow. Relative luminance 0.090; OKLCH L 44.3% C 0.086 H 116.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#51591A
RGB	rgb(81, 89, 26)
HSL	hsl(68, 55%, 23%)
HSV	hsv(68, 71%, 35%)
CMYK	cmyk(9%, 0%, 70.8%, 65.1%)
CIE-LAB	lab(35.92, -12.72, 33.99)
CIE-LCH	lch(35.92, 36.29, 110.52°)
OKLab	oklab(44.33% -0.0378 0.0769)
OKLCH	oklch(44.33% 0.086 116.2)
XYZ	xyz(7.1523, 8.9688, 2.3314)
Luminance	0.0897 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51591A #221A59

analogous

#59411A #51591A #31591A

triadic

#51591A #1A5159 #591A51

tetradic

#51591A #1A5941 #221A59 #591A31

square

#51591A #1A5941 #221A59 #591A31

split-complementary

#51591A #1A3159 #411A59

monochromatic

#161807 #262A0C #51591A #7C8828 #A7B836

Accessibility & contrast

On white

7.52

#51591A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#51591A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51591A

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51591A	#FFFFFF	#000000	##FFFFFF
##51591A	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5411

Deuteranopia (green-blind)

#5F551E

Tritanopia (blue-blind)

#56544C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #51591a;
/* rgb */ color: rgb(81, 89, 26);
/* oklch */ color: oklch(44.3% 0.086 116.2);

Tailwind

colors: {
  custom: {
    50: '#84875a',
    500: '#51591a',
    950: '#000000',
  },
}

SCSS

$custom: #51591a;
$custom-light: #84875a;
$custom-dark: #000000;

JSON

{
  "hex": "#51591a",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 26
  },
  "hsl": {
    "h": 67.619,
    "s": 54.783,
    "l": 22.549
  },
  "oklch": {
    "l": 0.44325,
    "c": 0.08566,
    "h": 116.2
  },
  "luminance": 0.08969
}

Semantic roles & 50–950 ramp

primary

#51591A

secondary

#4A408F

accent

#4ADE5D

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #51591A

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

Preview Lab → · Contrast checker → · Palette generator →