#818C1E#818C1E

#818C1E is a mid, vivid yellow. Relative luminance 0.235; OKLCH L 61.1% C 0.128 H 115.4°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#818C1E
RGB	rgb(129, 140, 30)
HSL	hsl(66, 65%, 33%)
HSV	hsv(66, 79%, 55%)
CMYK	cmyk(7.9%, 0%, 78.6%, 45.1%)
CIE-LAB	lab(55.60, -17.99, 52.88)
CIE-LCH	lch(55.60, 55.86, 108.79°)
OKLab	oklab(61.11% -0.055 0.1159)
OKLCH	oklch(61.11% 0.128 115.4)
XYZ	xyz(18.6662, 23.5173, 4.7840)
Luminance	0.2352 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818C1E #291E8C

analogous

#8C601E #818C1E #4A8C1E

triadic

#818C1E #1E818C #8C1E81

tetradic

#818C1E #1E8C60 #291E8C #8C1E4A

square

#818C1E #1E8C60 #291E8C #8C1E4A

split-complementary

#818C1E #1E4A8C #601E8C

monochromatic

#242708 #535A13 #818C1E #AFBE29 #CBD94C

Accessibility & contrast

On white

3.68

#818C1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#818C1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818C1E

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818C1E	#FFFFFF	#000000	##000000
##818C1E	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968401

Deuteranopia (green-blind)

#968628

Tritanopia (blue-blind)

#8A8378

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #818c1e;
/* rgb */ color: rgb(129, 140, 30);
/* oklch */ color: oklch(61.1% 0.128 115.4);

Tailwind

colors: {
  custom: {
    50: '#a9ad64',
    500: '#818c1e',
    950: '#000000',
  },
}

SCSS

$custom: #818c1e;
$custom-light: #a9ad64;
$custom-dark: #000000;

JSON

{
  "hex": "#818c1e",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 30
  },
  "hsl": {
    "h": 66,
    "s": 64.706,
    "l": 33.333
  },
  "oklch": {
    "l": 0.6111,
    "c": 0.12825,
    "h": 115.4
  },
  "luminance": 0.23517
}

Semantic roles & 50–950 ramp

primary

#818C1E

secondary

#564BBB

accent

#40E851

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818C1E

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

Preview Lab → · Contrast checker → · Palette generator →