#818D13#818D13

#818D13 is a mid, vivid yellow. Relative luminance 0.238; OKLCH L 61.3% C 0.134 H 115.7°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#818D13
RGB	rgb(129, 141, 19)
HSL	hsl(66, 76%, 31%)
HSV	hsv(66, 87%, 55%)
CMYK	cmyk(8.5%, 0%, 86.5%, 44.7%)
CIE-LAB	lab(55.85, -18.92, 56.21)
CIE-LCH	lch(55.85, 59.31, 108.60°)
OKLab	oklab(61.3% -0.0583 0.121)
OKLCH	oklch(61.3% 0.134 115.7)
XYZ	xyz(18.6962, 23.7642, 4.2180)
Luminance	0.2376 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818D13 #1F138D

analogous

#8D5C13 #818D13 #448D13

triadic

#818D13 #13818D #8D1381

tetradic

#818D13 #138D5C #1F138D #8D1344

square

#818D13 #138D5C #1F138D #8D1344

split-complementary

#818D13 #13448D #5C138D

monochromatic

#1E2104 #50570C #818D13 #B2C31A #D3E436

Accessibility & contrast

On white

3.65

#818D13 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#818D13 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818D13

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818D13	#FFFFFF	#000000	##000000
##818D13	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#988500

Deuteranopia (green-blind)

#978721

Tritanopia (blue-blind)

#8A8478

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #818d13;
/* rgb */ color: rgb(129, 141, 19);
/* oklch */ color: oklch(61.3% 0.134 115.7);

Tailwind

colors: {
  custom: {
    50: '#a9ae60',
    500: '#818d13',
    950: '#000000',
  },
}

SCSS

$custom: #818d13;
$custom-light: #a9ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#818d13",
  "rgb": {
    "r": 129,
    "g": 141,
    "b": 19
  },
  "hsl": {
    "h": 65.902,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.61295,
    "c": 0.13436,
    "h": 115.7
  },
  "luminance": 0.23764
}

Semantic roles & 50–950 ramp

primary

#818D13

secondary

#483BC1

accent

#35F348

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818D13

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

Preview Lab → · Contrast checker → · Palette generator →