#818E1B#818E1B

#818E1B is a mid, vivid yellow. Relative luminance 0.241; OKLCH L 61.6% C 0.132 H 116.3°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#818E1B
RGB	rgb(129, 142, 27)
HSL	hsl(67, 68%, 33%)
HSV	hsv(67, 81%, 56%)
CMYK	cmyk(9.2%, 0%, 81%, 44.3%)
CIE-LAB	lab(56.18, -19.16, 54.34)
CIE-LCH	lch(56.18, 57.62, 109.42°)
OKLab	oklab(61.57% -0.0584 0.1184)
OKLCH	oklch(61.57% 0.132 116.3)
XYZ	xyz(18.9246, 24.0925, 4.6901)
Luminance	0.2409 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818E1B #281B8E

analogous

#8E611B #818E1B #478E1B

triadic

#818E1B #1B818E #8E1B81

tetradic

#818E1B #1B8E61 #281B8E #8E1B47

square

#818E1B #1B8E61 #281B8E #8E1B47

split-complementary

#818E1B #1B478E #611B8E

monochromatic

#242707 #525B11 #818E1B #B0C125 #CBDC47

Accessibility & contrast

On white

3.61

#818E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#818E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818E1B

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818E1B	#FFFFFF	#000000	##000000
##818E1B	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)

#988600

Deuteranopia (green-blind)

#978726

Tritanopia (blue-blind)

#8A8579

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #818e1b;
/* rgb */ color: rgb(129, 142, 27);
/* oklch */ color: oklch(61.6% 0.132 116.3);

Tailwind

colors: {
  custom: {
    50: '#a9af63',
    500: '#818e1b',
    950: '#000000',
  },
}

SCSS

$custom: #818e1b;
$custom-light: #a9af63;
$custom-dark: #000000;

JSON

{
  "hex": "#818e1b",
  "rgb": {
    "r": 129,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 66.783,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.6157,
    "c": 0.13206,
    "h": 116.3
  },
  "luminance": 0.24092
}

Semantic roles & 50–950 ramp

primary

#818E1B

secondary

#5447BE

accent

#3DEB51

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818E1B

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

Preview Lab → · Contrast checker → · Palette generator →