#818C17#818C17

#818C17 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	#818C17
RGB	rgb(129, 140, 23)
HSL	hsl(66, 72%, 32%)
HSV	hsv(66, 84%, 55%)
CMYK	cmyk(7.9%, 0%, 83.6%, 45.1%)
CIE-LAB	lab(55.57, -18.27, 54.95)
CIE-LCH	lch(55.57, 57.91, 108.39°)
OKLab	oklab(61.07% -0.0563 0.119)
OKLCH	oklch(61.07% 0.132 115.3)
XYZ	xyz(18.5866, 23.4855, 4.3645)
Luminance	0.2349 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818C17 #22178C

analogous

#8C5D17 #818C17 #478C17

triadic

#818C17 #17818C #8C1781

tetradic

#818C17 #178C5D #22178C #8C1747

square

#818C17 #178C5D #22178C #8C1747

split-complementary

#818C17 #17478C #5D178C

monochromatic

#202306 #51570E #818C17 #B1C120 #D0DF3E

Accessibility & contrast

On white

3.69

#818C17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#818C17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818C17

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818C17	#FFFFFF	#000000	##000000
##818C17	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: #818c17;
/* rgb */ color: rgb(129, 140, 23);
/* oklch */ color: oklch(61.1% 0.132 115.3);

Tailwind

colors: {
  custom: {
    50: '#a9ad61',
    500: '#818c17',
    950: '#000000',
  },
}

SCSS

$custom: #818c17;
$custom-light: #a9ad61;
$custom-dark: #000000;

JSON

{
  "hex": "#818c17",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 23
  },
  "hsl": {
    "h": 65.641,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.61073,
    "c": 0.13165,
    "h": 115.3
  },
  "luminance": 0.23485
}

Semantic roles & 50–950 ramp

primary

#818C17

secondary

#4B3FBF

accent

#39EF4A

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818C17

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

Preview Lab → · Contrast checker → · Palette generator →