#818921#818921

#818921 is a mid, vivid yellow. Relative luminance 0.227; OKLCH L 60.4% C 0.123 H 114.0°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#818921
RGB	rgb(129, 137, 33)
HSL	hsl(65, 61%, 33%)
HSV	hsv(65, 76%, 54%)
CMYK	cmyk(5.8%, 0%, 75.9%, 46.3%)
CIE-LAB	lab(54.73, -16.29, 51.04)
CIE-LCH	lch(54.73, 53.58, 107.70°)
OKLab	oklab(60.42% -0.05 0.1125)
OKLCH	oklch(60.42% 0.123 114)
XYZ	xyz(18.2740, 22.6686, 4.8514)
Luminance	0.2267 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818921 #292189

analogous

#895D21 #818921 #4D8921

triadic

#818921 #218189 #892181

tetradic

#818921 #21895D #292189 #89214D

square

#818921 #21895D #292189 #89214D

split-complementary

#818921 #214D89 #5D2189

monochromatic

#242609 #535815 #818921 #AFBA2D #CBD550

Accessibility & contrast

On white

3.79

#818921 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#818921 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818921

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818921	#FFFFFF	#000000	##000000
##818921	1.00	3.79	5.53	5.53
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93820A

Deuteranopia (green-blind)

#93842A

Tritanopia (blue-blind)

#8A8175

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #818921;
/* rgb */ color: rgb(129, 137, 33);
/* oklch */ color: oklch(60.4% 0.123 114.0);

Tailwind

colors: {
  custom: {
    50: '#a9ab65',
    500: '#818921',
    950: '#000000',
  },
}

SCSS

$custom: #818921;
$custom-light: #a9ab65;
$custom-dark: #000000;

JSON

{
  "hex": "#818921",
  "rgb": {
    "r": 129,
    "g": 137,
    "b": 33
  },
  "hsl": {
    "h": 64.615,
    "s": 61.176,
    "l": 33.333
  },
  "oklch": {
    "l": 0.60415,
    "c": 0.12314,
    "h": 114
  },
  "luminance": 0.22668
}

Semantic roles & 50–950 ramp

primary

#818921

secondary

#564EB8

accent

#44E450

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818921

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

Preview Lab → · Contrast checker → · Palette generator →