#818F1B#818F1B

#818F1B is a mid, vivid yellow. Relative luminance 0.244; OKLCH L 61.8% C 0.133 H 116.7°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#818F1B
RGB	rgb(129, 143, 27)
HSL	hsl(67, 68%, 33%)
HSV	hsv(67, 81%, 56%)
CMYK	cmyk(9.8%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(56.48, -19.67, 54.61)
CIE-LCH	lch(56.48, 58.04, 109.81°)
OKLab	oklab(61.81% -0.0599 0.119)
OKLCH	oklch(61.81% 0.133 116.7)
XYZ	xyz(19.0741, 24.3914, 4.7399)
Luminance	0.2439 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818F1B #291B8F

analogous

#8F631B #818F1B #478F1B

triadic

#818F1B #1B818F #8F1B81

tetradic

#818F1B #1B8F63 #291B8F #8F1B47

square

#818F1B #1B8F63 #291B8F #8F1B47

split-complementary

#818F1B #1B478F #631B8F

monochromatic

#242808 #535C11 #818F1B #AFC225 #CBDC48

Accessibility & contrast

On white

3.57

#818F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#818F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818F1B

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818F1B	#FFFFFF	#000000	##000000
##818F1B	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998700

Deuteranopia (green-blind)

#988826

Tritanopia (blue-blind)

#8A867A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #818f1b;
/* rgb */ color: rgb(129, 143, 27);
/* oklch */ color: oklch(61.8% 0.133 116.7);

Tailwind

colors: {
  custom: {
    50: '#a9af63',
    500: '#818f1b',
    950: '#000000',
  },
}

SCSS

$custom: #818f1b;
$custom-light: #a9af63;
$custom-dark: #000000;

JSON

{
  "hex": "#818f1b",
  "rgb": {
    "r": 129,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 67.241,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.61809,
    "c": 0.1332,
    "h": 116.7
  },
  "luminance": 0.24391
}

Semantic roles & 50–950 ramp

primary

#818F1B

secondary

#5648BE

accent

#3DEB52

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818F1B

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

Preview Lab → · Contrast checker → · Palette generator →