#818E17#818E17

#818E17 is a mid, vivid yellow. Relative luminance 0.241; OKLCH L 61.6% C 0.134 H 116.2°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#818E17
RGB	rgb(129, 142, 23)
HSL	hsl(67, 72%, 32%)
HSV	hsv(67, 84%, 56%)
CMYK	cmyk(9.2%, 0%, 83.8%, 44.3%)
CIE-LAB	lab(56.16, -19.30, 55.46)
CIE-LCH	lch(56.16, 58.73, 109.19°)
OKLab	oklab(61.55% -0.0591 0.1201)
OKLCH	oklch(61.55% 0.134 116.2)
XYZ	xyz(18.8815, 24.0753, 4.4628)
Luminance	0.2407 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818E17 #24178E

analogous

#8E6017 #818E17 #458E17

triadic

#818E17 #17818E #8E1781

tetradic

#818E17 #178E60 #24178E #8E1745

square

#818E17 #178E60 #24178E #8E1745

split-complementary

#818E17 #17458E #60178E

monochromatic

#212506 #51590E #818E17 #B1C320 #CEE03F

Accessibility & contrast

On white

3.61

#818E17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#818E17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818E17

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818E17	#FFFFFF	#000000	##000000
##818E17	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998600

Deuteranopia (green-blind)

#978724

Tritanopia (blue-blind)

#8A8579

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #818e17;
/* rgb */ color: rgb(129, 142, 23);
/* oklch */ color: oklch(61.6% 0.134 116.2);

Tailwind

colors: {
  custom: {
    50: '#a9ae61',
    500: '#818e17',
    950: '#000000',
  },
}

SCSS

$custom: #818e17;
$custom-light: #a9ae61;
$custom-dark: #000000;

JSON

{
  "hex": "#818e17",
  "rgb": {
    "r": 129,
    "g": 142,
    "b": 23
  },
  "hsl": {
    "h": 66.555,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.61551,
    "c": 0.13388,
    "h": 116.2
  },
  "luminance": 0.24075
}

Semantic roles & 50–950 ramp

primary

#818E17

secondary

#4E40C0

accent

#39EF4D

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818E17

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

Preview Lab → · Contrast checker → · Palette generator →