#818C1A#818C1A

#818C1A is a mid, vivid yellow. Relative luminance 0.235; OKLCH L 61.1% C 0.130 H 115.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#818C1A
RGB	rgb(129, 140, 26)
HSL	hsl(66, 69%, 33%)
HSV	hsv(66, 81%, 55%)
CMYK	cmyk(7.9%, 0%, 81.4%, 45.1%)
CIE-LAB	lab(55.58, -18.16, 54.11)
CIE-LCH	lch(55.58, 57.07, 108.55°)
OKLab	oklab(61.09% -0.0558 0.1177)
OKLCH	oklch(61.09% 0.13 115.3)
XYZ	xyz(18.6183, 23.4982, 4.5319)
Luminance	0.2350 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818C1A #251A8C

analogous

#8C5E1A #818C1A #488C1A

triadic

#818C1A #1A818C #8C1A81

tetradic

#818C1A #1A8C5E #251A8C #8C1A48

square

#818C1A #1A8C5E #251A8C #8C1A48

split-complementary

#818C1A #1A488C #5E1A8C

monochromatic

#222507 #515810 #818C1A #B1C024 #CEDC44

Accessibility & contrast

On white

3.68

#818C1A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#818C1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818C1A

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818C1A	#FFFFFF	#000000	##000000
##818C1A	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)

#978400

Deuteranopia (green-blind)

#968625

Tritanopia (blue-blind)

#8A8377

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #818c1a;
/* rgb */ color: rgb(129, 140, 26);
/* oklch */ color: oklch(61.1% 0.130 115.3);

Tailwind

colors: {
  custom: {
    50: '#a9ad62',
    500: '#818c1a',
    950: '#000000',
  },
}

SCSS

$custom: #818c1a;
$custom-light: #a9ad62;
$custom-dark: #000000;

JSON

{
  "hex": "#818c1a",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 26
  },
  "hsl": {
    "h": 65.789,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.61088,
    "c": 0.13028,
    "h": 115.3
  },
  "luminance": 0.23498
}

Semantic roles & 50–950 ramp

primary

#818C1A

secondary

#5044BE

accent

#3CEC4D

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818C1A

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

Preview Lab → · Contrast checker → · Palette generator →