#515B1B#515B1B

#515B1B is a dark, moderate yellow. Relative luminance 0.093; OKLCH L 44.9% C 0.087 H 117.7°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#515B1B
RGB	rgb(81, 91, 27)
HSL	hsl(69, 54%, 23%)
HSV	hsv(69, 70%, 36%)
CMYK	cmyk(11%, 0%, 70.3%, 64.3%)
CIE-LAB	lab(36.58, -13.77, 34.20)
CIE-LCH	lch(36.58, 36.87, 111.93°)
OKLab	oklab(44.85% -0.0406 0.0775)
OKLCH	oklch(44.85% 0.087 117.7)
XYZ	xyz(7.3324, 9.3107, 2.4476)
Luminance	0.0931 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515B1B #251B5B

analogous

#5B451B #515B1B #315B1B

triadic

#515B1B #1B515B #5B1B51

tetradic

#515B1B #1B5B45 #251B5B #5B1B31

square

#515B1B #1B5B45 #251B5B #5B1B31

split-complementary

#515B1B #1B315B #451B5B

monochromatic

#151807 #272C0D #515B1B #7B8A29 #A5B937

Accessibility & contrast

On white

7.34

#515B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#515B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515B1B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515B1B	#FFFFFF	#000000	##FFFFFF
##515B1B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615612

Deuteranopia (green-blind)

#605620

Tritanopia (blue-blind)

#56564E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #515b1b;
/* rgb */ color: rgb(81, 91, 27);
/* oklch */ color: oklch(44.9% 0.087 117.7);

Tailwind

colors: {
  custom: {
    50: '#84895b',
    500: '#515b1b',
    950: '#000000',
  },
}

SCSS

$custom: #515b1b;
$custom-light: #84895b;
$custom-dark: #000000;

JSON

{
  "hex": "#515b1b",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 27
  },
  "hsl": {
    "h": 69.375,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.44851,
    "c": 0.08749,
    "h": 117.7
  },
  "luminance": 0.09311
}

Semantic roles & 50–950 ramp

primary

#515B1B

secondary

#4E4191

accent

#4ADE61

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #515B1B

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

Preview Lab → · Contrast checker → · Palette generator →