#42811B#42811B

#42811B is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.1% C 0.147 H 136.4°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#42811B
RGB	rgb(66, 129, 27)
HSL	hsl(97, 65%, 31%)
HSV	hsv(97, 79%, 51%)
CMYK	cmyk(48.8%, 0%, 79.1%, 49.4%)
CIE-LAB	lab(48.18, -38.30, 45.51)
CIE-LCH	lch(48.18, 59.48, 130.09°)
OKLab	oklab(54.05% -0.1066 0.1015)
OKLCH	oklch(54.05% 0.147 136.4)
XYZ	xyz(10.2946, 16.9372, 3.7635)
Luminance	0.1694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42811B #5A1B81

analogous

#75811B #42811B #1B8127

triadic

#42811B #1B4281 #811B42

tetradic

#42811B #1B7581 #5A1B81 #81271B

square

#42811B #1B7581 #5A1B81 #81271B

split-complementary

#42811B #271B81 #811B75

monochromatic

#0E1C06 #284E10 #42811B #5CB426 #79D73F

Accessibility & contrast

On white

4.79

#42811B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#42811B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42811B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42811B	#FFFFFF	#000000	##FFFFFF
##42811B	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867602

Deuteranopia (green-blind)

#7D7026

Tritanopia (blue-blind)

#3F7C6E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #42811b;
/* rgb */ color: rgb(66, 129, 27);
/* oklch */ color: oklch(54.1% 0.147 136.4);

Tailwind

colors: {
  custom: {
    50: '#7da660',
    500: '#42811b',
    950: '#000000',
  },
}

SCSS

$custom: #42811b;
$custom-light: #7da660;
$custom-dark: #000000;

JSON

{
  "hex": "#42811b",
  "rgb": {
    "r": 66,
    "g": 129,
    "b": 27
  },
  "hsl": {
    "h": 97.059,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54054,
    "c": 0.14719,
    "h": 136.4
  },
  "luminance": 0.16938
}

Semantic roles & 50–950 ramp

primary

#42811B

secondary

#8943B5

accent

#3FE8A8

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #42811B

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

Preview Lab → · Contrast checker → · Palette generator →