#818C16#818C16

#818C16 is a mid, vivid yellow. Relative luminance 0.235; OKLCH L 61.1% C 0.132 H 115.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#818C16
RGB	rgb(129, 140, 22)
HSL	hsl(66, 73%, 32%)
HSV	hsv(66, 84%, 55%)
CMYK	cmyk(7.9%, 0%, 84.3%, 45.1%)
CIE-LAB	lab(55.56, -18.30, 55.21)
CIE-LCH	lch(55.56, 58.17, 108.34°)
OKLab	oklab(61.07% -0.0565 0.1194)
OKLCH	oklch(61.07% 0.132 115.3)
XYZ	xyz(18.5767, 23.4815, 4.3127)
Luminance	0.2348 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818C16 #21168C

analogous

#8C5C16 #818C16 #468C16

triadic

#818C16 #16818C #8C1681

tetradic

#818C16 #168C5C #21168C #8C1646

square

#818C16 #168C5C #21168C #8C1646

split-complementary

#818C16 #16468C #5C168C

monochromatic

#202205 #50570E #818C16 #B2C11E #D1E03C

Accessibility & contrast

On white

3.69

#818C16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#818C16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818C16

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818C16	#FFFFFF	#000000	##000000
##818C16	1.00	3.69	5.70	5.70
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978400

Deuteranopia (green-blind)

#968623

Tritanopia (blue-blind)

#8A8377

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #818c16;
/* rgb */ color: rgb(129, 140, 22);
/* oklch */ color: oklch(61.1% 0.132 115.3);

Tailwind

colors: {
  custom: {
    50: '#a9ad61',
    500: '#818c16',
    950: '#000000',
  },
}

SCSS

$custom: #818c16;
$custom-light: #a9ad61;
$custom-dark: #000000;

JSON

{
  "hex": "#818c16",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 22
  },
  "hsl": {
    "h": 65.593,
    "s": 72.84,
    "l": 31.765
  },
  "oklch": {
    "l": 0.61069,
    "c": 0.13207,
    "h": 115.3
  },
  "luminance": 0.23481
}

Semantic roles & 50–950 ramp

primary

#818C16

secondary

#4A3EC0

accent

#38F049

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818C16

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

Preview Lab → · Contrast checker → · Palette generator →