#818818#818818

#818818 is a mid, vivid yellow. Relative luminance 0.223; OKLCH L 60.1% C 0.127 H 113.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#818818
RGB	rgb(129, 136, 24)
HSL	hsl(64, 70%, 31%)
HSV	hsv(64, 82%, 53%)
CMYK	cmyk(5.1%, 0%, 82.4%, 46.7%)
CIE-LAB	lab(54.39, -16.14, 53.64)
CIE-LCH	lch(54.39, 56.01, 106.75°)
OKLab	oklab(60.13% -0.0504 0.1164)
OKLCH	oklch(60.13% 0.127 113.4)
XYZ	xyz(18.0229, 22.3418, 4.2270)
Luminance	0.2234 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818818 #1F1888

analogous

#885718 #818818 #498818

triadic

#818818 #188188 #881881

tetradic

#818818 #188857 #1F1888 #881849

square

#818818 #188857 #1F1888 #881849

split-complementary

#818818 #184988 #571888

monochromatic

#1E2006 #50540F #818818 #B2BC21 #D3DD3E

Accessibility & contrast

On white

3.84

#818818 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#818818 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818818

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818818	#FFFFFF	#000000	##000000
##818818	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#938323

Tritanopia (blue-blind)

#8A7F74

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #818818;
/* rgb */ color: rgb(129, 136, 24);
/* oklch */ color: oklch(60.1% 0.127 113.4);

Tailwind

colors: {
  custom: {
    50: '#a9aa61',
    500: '#818818',
    950: '#000000',
  },
}

SCSS

$custom: #818818;
$custom-light: #a9aa61;
$custom-dark: #000000;

JSON

{
  "hex": "#818818",
  "rgb": {
    "r": 129,
    "g": 136,
    "b": 24
  },
  "hsl": {
    "h": 63.75,
    "s": 70,
    "l": 31.373
  },
  "oklch": {
    "l": 0.60127,
    "c": 0.1268,
    "h": 113.4
  },
  "luminance": 0.22341
}

Semantic roles & 50–950 ramp

primary

#818818

secondary

#4840BC

accent

#3BED46

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818818

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

Preview Lab → · Contrast checker → · Palette generator →