#818E11#818E11

#818E11 is a mid, vivid yellow. Relative luminance 0.241; OKLCH L 61.5% C 0.136 H 116.2°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#818E11
RGB	rgb(129, 142, 17)
HSL	hsl(66, 79%, 31%)
HSV	hsv(66, 88%, 56%)
CMYK	cmyk(9.2%, 0%, 88%, 44.3%)
CIE-LAB	lab(56.14, -19.49, 56.91)
CIE-LCH	lch(56.14, 60.15, 108.90°)
OKLab	oklab(61.53% -0.06 0.1222)
OKLCH	oklch(61.53% 0.136 116.2)
XYZ	xyz(18.8280, 24.0539, 4.1812)
Luminance	0.2405 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818E11 #1E118E

analogous

#8E5C11 #818E11 #428E11

triadic

#818E11 #11818E #8E1181

tetradic

#818E11 #118E5C #1E118E #8E1142

square

#818E11 #118E5C #1E118E #8E1142

split-complementary

#818E11 #11428E #5C118E

monochromatic

#1E2104 #4F570A #818E11 #B3C518 #D4E733

Accessibility & contrast

On white

3.61

#818E11 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#818E11 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818E11

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818E11	#FFFFFF	#000000	##000000
##818E11	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998600

Deuteranopia (green-blind)

#988720

Tritanopia (blue-blind)

#8A8579

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #818e11;
/* rgb */ color: rgb(129, 142, 17);
/* oklch */ color: oklch(61.5% 0.136 116.2);

Tailwind

colors: {
  custom: {
    50: '#a9ae5f',
    500: '#818e11',
    950: '#000000',
  },
}

SCSS

$custom: #818e11;
$custom-light: #a9ae5f;
$custom-dark: #000000;

JSON

{
  "hex": "#818e11",
  "rgb": {
    "r": 129,
    "g": 142,
    "b": 17
  },
  "hsl": {
    "h": 66.24,
    "s": 78.616,
    "l": 31.176
  },
  "oklch": {
    "l": 0.61527,
    "c": 0.13617,
    "h": 116.2
  },
  "luminance": 0.24054
}

Semantic roles & 50–950 ramp

primary

#818E11

secondary

#4738C2

accent

#33F547

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818E11

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

Preview Lab → · Contrast checker → · Palette generator →