#42821C#42821C

#42821C is a mid, vivid yellow-green. Relative luminance 0.172; OKLCH L 54.3% C 0.148 H 136.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#42821C
RGB	rgb(66, 130, 28)
HSL	hsl(98, 65%, 31%)
HSV	hsv(98, 78%, 51%)
CMYK	cmyk(49.2%, 0%, 78.5%, 49%)
CIE-LAB	lab(48.52, -38.66, 45.49)
CIE-LCH	lch(48.52, 59.69, 130.36°)
OKLab	oklab(54.33% -0.1075 0.1016)
OKLCH	oklch(54.33% 0.148 136.6)
XYZ	xyz(10.4387, 17.2067, 3.8695)
Luminance	0.1721 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42821C #5C1C82

analogous

#75821C #42821C #1C8229

triadic

#42821C #1C4282 #821C42

tetradic

#42821C #1C7582 #5C1C82 #82291C

square

#42821C #1C7582 #5C1C82 #82291C

split-complementary

#42821C #291C82 #821C75

monochromatic

#0F1D06 #285011 #42821C #5CB427 #79D642

Accessibility & contrast

On white

4.73

#42821C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#42821C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42821C

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42821C	#FFFFFF	#000000	##FFFFFF
##42821C	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877704

Deuteranopia (green-blind)

#7E7127

Tritanopia (blue-blind)

#3F7D6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #42821c;
/* rgb */ color: rgb(66, 130, 28);
/* oklch */ color: oklch(54.3% 0.148 136.6);

Tailwind

colors: {
  custom: {
    50: '#7da760',
    500: '#42821c',
    950: '#000000',
  },
}

SCSS

$custom: #42821c;
$custom-light: #7da760;
$custom-dark: #000000;

JSON

{
  "hex": "#42821c",
  "rgb": {
    "r": 66,
    "g": 130,
    "b": 28
  },
  "hsl": {
    "h": 97.647,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54334,
    "c": 0.1479,
    "h": 136.6
  },
  "luminance": 0.17207
}

Semantic roles & 50–950 ramp

primary

#42821C

secondary

#8B44B5

accent

#40E8A9

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #42821C

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

Preview Lab → · Contrast checker → · Palette generator →