#515B18#515B18

#515B18 is a dark, moderate yellow. Relative luminance 0.093; OKLCH L 44.8% C 0.090 H 117.5°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#515B18
RGB	rgb(81, 91, 24)
HSL	hsl(69, 58%, 23%)
HSV	hsv(69, 74%, 36%)
CMYK	cmyk(11%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(36.55, -13.98, 35.53)
CIE-LCH	lch(36.55, 38.18, 111.48°)
OKLab	oklab(44.82% -0.0416 0.0798)
OKLCH	oklch(44.82% 0.09 117.5)
XYZ	xyz(7.2995, 9.2975, 2.2740)
Luminance	0.0930 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515B18 #22185B

analogous

#5B4318 #515B18 #305B18

triadic

#515B18 #18515B #5B1851

tetradic

#515B18 #185B43 #22185B #5B1830

square

#515B18 #185B43 #22185B #5B1830

split-complementary

#515B18 #18305B #43185B

monochromatic

#161806 #262B0B #515B18 #7C8B25 #A7BC32

Accessibility & contrast

On white

7.34

#515B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#515B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515B18

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515B18	#FFFFFF	#000000	##FFFFFF
##515B18	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)

#61560E

Deuteranopia (green-blind)

#60561D

Tritanopia (blue-blind)

#56564E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #515b18;
/* rgb */ color: rgb(81, 91, 24);
/* oklch */ color: oklch(44.8% 0.090 117.5);

Tailwind

colors: {
  custom: {
    50: '#84895a',
    500: '#515b18',
    950: '#000000',
  },
}

SCSS

$custom: #515b18;
$custom-light: #84895a;
$custom-dark: #000000;

JSON

{
  "hex": "#515b18",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 68.955,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.44823,
    "c": 0.08993,
    "h": 117.5
  },
  "luminance": 0.09297
}

Semantic roles & 50–950 ramp

primary

#515B18

secondary

#4A3D92

accent

#46E15D

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0B0B04

muted

#7C7C79

Preview Lab

Preview with #515B18

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

Preview Lab → · Contrast checker → · Palette generator →