#818E18#818E18

#818E18 is a mid, vivid yellow. Relative luminance 0.241; OKLCH L 61.6% C 0.133 H 116.2°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#818E18
RGB	rgb(129, 142, 24)
HSL	hsl(67, 71%, 33%)
HSV	hsv(67, 83%, 56%)
CMYK	cmyk(9.2%, 0%, 83.1%, 44.3%)
CIE-LAB	lab(56.17, -19.27, 55.19)
CIE-LCH	lch(56.17, 58.46, 109.24°)
OKLab	oklab(61.56% -0.059 0.1197)
OKLCH	oklch(61.56% 0.133 116.2)
XYZ	xyz(18.8917, 24.0794, 4.5166)
Luminance	0.2408 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818E18 #25188E

analogous

#8E6018 #818E18 #468E18

triadic

#818E18 #18818E #8E1881

tetradic

#818E18 #188E60 #25188E #8E1846

square

#818E18 #188E60 #25188E #8E1846

split-complementary

#818E18 #18468E #60188E

monochromatic

#222506 #515A0F #818E18 #B1C221 #CEDF41

Accessibility & contrast

On white

3.61

#818E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#818E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818E18

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818E18	#FFFFFF	#000000	##000000
##818E18	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: #818e18;
/* rgb */ color: rgb(129, 142, 24);
/* oklch */ color: oklch(61.6% 0.133 116.2);

Tailwind

colors: {
  custom: {
    50: '#a9ae62',
    500: '#818e18',
    950: '#000000',
  },
}

SCSS

$custom: #818e18;
$custom-light: #a9ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#818e18",
  "rgb": {
    "r": 129,
    "g": 142,
    "b": 24
  },
  "hsl": {
    "h": 66.61,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.61555,
    "c": 0.13345,
    "h": 116.2
  },
  "luminance": 0.24079
}

Semantic roles & 50–950 ramp

primary

#818E18

secondary

#5042C0

accent

#3AEE4E

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818E18

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

Preview Lab → · Contrast checker → · Palette generator →