#818A18#818A18

#818A18 is a mid, vivid yellow. Relative luminance 0.229; OKLCH L 60.6% C 0.129 H 114.4°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#818A18
RGB	rgb(129, 138, 24)
HSL	hsl(65, 70%, 32%)
HSV	hsv(65, 83%, 54%)
CMYK	cmyk(6.5%, 0%, 82.6%, 45.9%)
CIE-LAB	lab(54.98, -17.19, 54.16)
CIE-LCH	lch(54.98, 56.82, 107.61°)
OKLab	oklab(60.6% -0.0533 0.1175)
OKLCH	oklch(60.6% 0.129 114.4)
XYZ	xyz(18.3072, 22.9104, 4.3217)
Luminance	0.2291 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818A18 #21188A

analogous

#8A5A18 #818A18 #488A18

triadic

#818A18 #18818A #8A1881

tetradic

#818A18 #188A5A #21188A #8A1848

square

#818A18 #188A5A #21188A #8A1848

split-complementary

#818A18 #18488A #5A188A

monochromatic

#202206 #50560F #818A18 #B2BE21 #D1DE3F

Accessibility & contrast

On white

3.76

#818A18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#818A18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818A18

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818A18	#FFFFFF	#000000	##000000
##818A18	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#948523

Tritanopia (blue-blind)

#8A8176

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #818a18;
/* rgb */ color: rgb(129, 138, 24);
/* oklch */ color: oklch(60.6% 0.129 114.4);

Tailwind

colors: {
  custom: {
    50: '#a9ac61',
    500: '#818a18',
    950: '#000000',
  },
}

SCSS

$custom: #818a18;
$custom-light: #a9ac61;
$custom-dark: #000000;

JSON

{
  "hex": "#818a18",
  "rgb": {
    "r": 129,
    "g": 138,
    "b": 24
  },
  "hsl": {
    "h": 64.737,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.60602,
    "c": 0.12899,
    "h": 114.4
  },
  "luminance": 0.2291
}

Semantic roles & 50–950 ramp

primary

#818A18

secondary

#4A40BD

accent

#3BED49

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818A18

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

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