#818D19#818D19

#818D19 is a mid, vivid yellow. Relative luminance 0.238; OKLCH L 61.3% C 0.132 H 115.8°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#818D19
RGB	rgb(129, 141, 25)
HSL	hsl(66, 70%, 33%)
HSV	hsv(66, 82%, 55%)
CMYK	cmyk(8.5%, 0%, 82.3%, 44.7%)
CIE-LAB	lab(55.87, -18.72, 54.66)
CIE-LCH	lch(55.87, 57.77, 108.90°)
OKLab	oklab(61.32% -0.0574 0.1187)
OKLCH	oklch(61.32% 0.132 115.8)
XYZ	xyz(18.7541, 23.7874, 4.5230)
Luminance	0.2379 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818D19 #25198D

analogous

#8D5F19 #818D19 #478D19

triadic

#818D19 #19818D #8D1981

tetradic

#818D19 #198D5F #25198D #8D1947

square

#818D19 #198D5F #25198D #8D1947

split-complementary

#818D19 #19478D #5F198D

monochromatic

#222507 #515910 #818D19 #B1C122 #CEDE43

Accessibility & contrast

On white

3.65

#818D19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#818D19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818D19

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818D19	#FFFFFF	#000000	##000000
##818D19	1.00	3.65	5.76	5.76
#FFFFFF	3.65	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)

#988500

Deuteranopia (green-blind)

#978725

Tritanopia (blue-blind)

#8A8478

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #818d19;
/* rgb */ color: rgb(129, 141, 25);
/* oklch */ color: oklch(61.3% 0.132 115.8);

Tailwind

colors: {
  custom: {
    50: '#a9ae62',
    500: '#818d19',
    950: '#000000',
  },
}

SCSS

$custom: #818d19;
$custom-light: #a9ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#818d19",
  "rgb": {
    "r": 129,
    "g": 141,
    "b": 25
  },
  "hsl": {
    "h": 66.207,
    "s": 69.88,
    "l": 32.549
  },
  "oklch": {
    "l": 0.61321,
    "c": 0.13188,
    "h": 115.8
  },
  "luminance": 0.23787
}

Semantic roles & 50–950 ramp

primary

#818D19

secondary

#5043BF

accent

#3BED4D

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818D19

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

Preview Lab → · Contrast checker → · Palette generator →