#51580D#51580D

#51580D is a dark, moderate yellow. Relative luminance 0.088; OKLCH L 44.0% C 0.093 H 115.1°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#51580D
RGB	rgb(81, 88, 13)
HSL	hsl(66, 74%, 20%)
HSV	hsv(66, 85%, 35%)
CMYK	cmyk(8%, 0%, 85.2%, 65.5%)
CIE-LAB	lab(35.51, -12.90, 38.78)
CIE-LCH	lch(35.51, 40.87, 108.40°)
OKLab	oklab(43.97% -0.0396 0.0845)
OKLCH	oklch(43.97% 0.093 115.1)
XYZ	xyz(6.9559, 8.7580, 1.7047)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51580D #140D58

analogous

#583A0D #51580D #2C580D

triadic

#51580D #0D5158 #580D51

tetradic

#51580D #0D583A #140D58 #580D2C

square

#51580D #0D583A #140D58 #580D2C

split-complementary

#51580D #0D2C58 #3A0D58

monochromatic

#191B04 #202305 #51580D #828D15 #B3C31D

Accessibility & contrast

On white

7.63

#51580D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#51580D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51580D

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51580D	#FFFFFF	#000000	##FFFFFF
##51580D	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5300

Deuteranopia (green-blind)

#5F5414

Tritanopia (blue-blind)

#57524A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #51580d;
/* rgb */ color: rgb(81, 88, 13);
/* oklch */ color: oklch(44.0% 0.093 115.1);

Tailwind

colors: {
  custom: {
    50: '#858754',
    500: '#51580d',
    950: '#000000',
  },
}

SCSS

$custom: #51580d;
$custom-light: #858754;
$custom-dark: #000000;

JSON

{
  "hex": "#51580d",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 13
  },
  "hsl": {
    "h": 65.6,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.43968,
    "c": 0.09333,
    "h": 115.1
  },
  "luminance": 0.08758
}

Semantic roles & 50–950 ramp

primary

#51580D

secondary

#382E93

accent

#37F148

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B03

muted

#7C7C78

Preview Lab

Preview with #51580D

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

Preview Lab → · Contrast checker → · Palette generator →