#51580F#51580F

#51580F is a dark, moderate yellow. Relative luminance 0.088; OKLCH L 44.0% C 0.092 H 115.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#51580F
RGB	rgb(81, 88, 15)
HSL	hsl(66, 71%, 20%)
HSV	hsv(66, 83%, 35%)
CMYK	cmyk(8%, 0%, 83%, 65.5%)
CIE-LAB	lab(35.52, -12.81, 38.11)
CIE-LCH	lch(35.52, 40.21, 108.58°)
OKLab	oklab(43.98% -0.0392 0.0835)
OKLCH	oklch(43.98% 0.092 115.2)
XYZ	xyz(6.9695, 8.7634, 1.7762)
Luminance	0.0876 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51580F #160F58

analogous

#583A0F #51580F #2D580F

triadic

#51580F #0F5158 #580F51

tetradic

#51580F #0F583A #160F58 #580F2D

square

#51580F #0F583A #160F58 #580F2D

split-complementary

#51580F #0F2D58 #3A0F58

monochromatic

#181A04 #212406 #51580F #818C18 #B1C121

Accessibility & contrast

On white

7.63

#51580F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#51580F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51580F

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51580F	#FFFFFF	#000000	##FFFFFF
##51580F	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)

#5E5416

Tritanopia (blue-blind)

#57524A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #51580f;
/* rgb */ color: rgb(81, 88, 15);
/* oklch */ color: oklch(44.0% 0.092 115.2);

Tailwind

colors: {
  custom: {
    50: '#848755',
    500: '#51580f',
    950: '#000000',
  },
}

SCSS

$custom: #51580f;
$custom-light: #848755;
$custom-dark: #000000;

JSON

{
  "hex": "#51580f",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 15
  },
  "hsl": {
    "h": 65.753,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.43979,
    "c": 0.09222,
    "h": 115.2
  },
  "luminance": 0.08763
}

Semantic roles & 50–950 ramp

primary

#51580F

secondary

#3A3192

accent

#3AEE4B

background

#F8F8F5

surface

#EFEFE9

border

#CACAC5

text

#0B0B03

muted

#7C7C78

Preview Lab

Preview with #51580F

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

Preview Lab → · Contrast checker → · Palette generator →