#42801D#42801D

#42801D is a mid, vivid yellow-green. Relative luminance 0.167; OKLCH L 53.8% C 0.145 H 136.5°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#42801D
RGB	rgb(66, 128, 29)
HSL	hsl(98, 63%, 31%)
HSV	hsv(98, 77%, 50%)
CMYK	cmyk(48.4%, 0%, 77.3%, 49.8%)
CIE-LAB	lab(47.86, -37.75, 44.48)
CIE-LCH	lch(47.86, 58.34, 130.32°)
OKLab	oklab(53.79% -0.105 0.0997)
OKLCH	oklch(53.79% 0.145 136.5)
XYZ	xyz(10.1874, 16.6846, 3.8458)
Luminance	0.1668 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42801D #5B1D80

analogous

#73801D #42801D #1D802A

triadic

#42801D #1D4280 #801D42

tetradic

#42801D #1D7380 #5B1D80 #802A1D

square

#42801D #1D7380 #5B1D80 #802A1D

split-complementary

#42801D #2A1D80 #801D73

monochromatic

#0F1C06 #284E12 #42801D #5CB228 #79D443

Accessibility & contrast

On white

4.84

#42801D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#42801D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42801D

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42801D	#FFFFFF	#000000	##FFFFFF
##42801D	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857508

Deuteranopia (green-blind)

#7C7027

Tritanopia (blue-blind)

#3F7B6D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #42801d;
/* rgb */ color: rgb(66, 128, 29);
/* oklch */ color: oklch(53.8% 0.145 136.5);

Tailwind

colors: {
  custom: {
    50: '#7da561',
    500: '#42801d',
    950: '#000000',
  },
}

SCSS

$custom: #42801d;
$custom-light: #7da561;
$custom-dark: #000000;

JSON

{
  "hex": "#42801d",
  "rgb": {
    "r": 66,
    "g": 128,
    "b": 29
  },
  "hsl": {
    "h": 97.576,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.53794,
    "c": 0.14475,
    "h": 136.5
  },
  "luminance": 0.16685
}

Semantic roles & 50–950 ramp

primary

#42801D

secondary

#8A45B3

accent

#42E6A9

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #42801D

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

Preview Lab → · Contrast checker → · Palette generator →