#818518#818518

#818518 is a mid, vivid yellow. Relative luminance 0.215; OKLCH L 59.4% C 0.124 H 111.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#818518
RGB	rgb(129, 133, 24)
HSL	hsl(62, 69%, 31%)
HSV	hsv(62, 82%, 52%)
CMYK	cmyk(3%, 0%, 82%, 47.8%)
CIE-LAB	lab(53.50, -14.55, 52.86)
CIE-LCH	lch(53.50, 54.83, 105.39°)
OKLab	oklab(59.42% -0.046 0.1147)
OKLCH	oklch(59.42% 0.124 111.8)
XYZ	xyz(17.6063, 21.5086, 4.0881)
Luminance	0.2151 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818518 #1C1885

analogous

#855218 #818518 #4A8518

triadic

#818518 #188185 #851881

tetradic

#818518 #188552 #1C1885 #85184A

square

#818518 #188552 #1C1885 #85184A

split-complementary

#818518 #184A85 #521885

monochromatic

#1C1D05 #4F510F #818518 #B3B921 #D6DC3C

Accessibility & contrast

On white

3.96

#818518 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#818518 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818518

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818518	#FFFFFF	#000000	##000000
##818518	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F00

Deuteranopia (green-blind)

#908122

Tritanopia (blue-blind)

#8A7C71

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #818518;
/* rgb */ color: rgb(129, 133, 24);
/* oklch */ color: oklch(59.4% 0.124 111.8);

Tailwind

colors: {
  custom: {
    50: '#a9a860',
    500: '#818518',
    950: '#000000',
  },
}

SCSS

$custom: #818518;
$custom-light: #a9a860;
$custom-dark: #000000;

JSON

{
  "hex": "#818518",
  "rgb": {
    "r": 129,
    "g": 133,
    "b": 24
  },
  "hsl": {
    "h": 62.202,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.59417,
    "c": 0.12357,
    "h": 111.8
  },
  "luminance": 0.21508
}

Semantic roles & 50–950 ramp

primary

#818518

secondary

#4440B9

accent

#3CEC42

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#100F05

muted

#7F7F7A

Preview Lab

Preview with #818518

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

Preview Lab → · Contrast checker → · Palette generator →