#818D1F#818D1F

#818D1F is a mid, vivid yellow. Relative luminance 0.238; OKLCH L 61.4% C 0.129 H 115.9°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#818D1F
RGB	rgb(129, 141, 31)
HSL	hsl(67, 64%, 34%)
HSV	hsv(67, 78%, 55%)
CMYK	cmyk(8.5%, 0%, 78%, 44.7%)
CIE-LAB	lab(55.90, -18.47, 52.83)
CIE-LCH	lch(55.90, 55.96, 109.27°)
OKLab	oklab(61.35% -0.0562 0.1159)
OKLCH	oklch(61.35% 0.129 115.9)
XYZ	xyz(18.8260, 23.8161, 4.9013)
Luminance	0.2382 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818D1F #2B1F8D

analogous

#8D621F #818D1F #4A8D1F

triadic

#818D1F #1F818D #8D1F81

tetradic

#818D1F #1F8D62 #2B1F8D #8D1F4A

square

#818D1F #1F8D62 #2B1F8D #8D1F4A

split-complementary

#818D1F #1F4A8D #621F8D

monochromatic

#252909 #535B14 #818D1F #AFBF2A #C9D84E

Accessibility & contrast

On white

3.64

#818D1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#818D1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818D1F

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818D1F	#FFFFFF	#000000	##000000
##818D1F	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978502

Deuteranopia (green-blind)

#968729

Tritanopia (blue-blind)

#8A8578

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #818d1f;
/* rgb */ color: rgb(129, 141, 31);
/* oklch */ color: oklch(61.4% 0.129 115.9);

Tailwind

colors: {
  custom: {
    50: '#a9ae64',
    500: '#818d1f',
    950: '#000000',
  },
}

SCSS

$custom: #818d1f;
$custom-light: #a9ae64;
$custom-dark: #000000;

JSON

{
  "hex": "#818d1f",
  "rgb": {
    "r": 129,
    "g": 141,
    "b": 31
  },
  "hsl": {
    "h": 66.545,
    "s": 63.953,
    "l": 33.725
  },
  "oklch": {
    "l": 0.61354,
    "c": 0.12886,
    "h": 115.9
  },
  "luminance": 0.23816
}

Semantic roles & 50–950 ramp

primary

#818D1F

secondary

#594DBB

accent

#41E753

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818D1F

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

Preview Lab → · Contrast checker → · Palette generator →