#42A11B#42A11B

#42A11B is a light, vivid green. Relative luminance 0.267; OKLCH L 62.7% C 0.186 H 138.9°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#42A11B
RGB	rgb(66, 161, 27)
HSL	hsl(103, 71%, 37%)
HSV	hsv(103, 83%, 63%)
CMYK	cmyk(59%, 0%, 83.2%, 36.9%)
CIE-LAB	lab(58.72, -50.74, 55.37)
CIE-LCH	lch(58.72, 75.10, 132.50°)
OKLab	oklab(62.74% -0.14 0.1222)
OKLCH	oklch(62.74% 0.186 138.9)
XYZ	xyz(15.1889, 26.7258, 5.3949)
Luminance	0.2673 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A11B #7A1BA1

analogous

#85A11B #42A11B #1BA137

triadic

#42A11B #1B42A1 #A11B42

tetradic

#42A11B #1B85A1 #7A1BA1 #A1371B

square

#42A11B #1B85A1 #7A1BA1 #A1371B

split-complementary

#42A11B #371BA1 #A11B85

monochromatic

#173809 #2D6D12 #42A11B #57D524 #7DE254

Accessibility & contrast

On white

3.31

#42A11B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#42A11B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A11B

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A11B	#FFFFFF	#000000	##000000
##42A11B	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9A8A2C

Tritanopia (blue-blind)

#389B89

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #42a11b;
/* rgb */ color: rgb(66, 161, 27);
/* oklch */ color: oklch(62.7% 0.186 138.9);

Tailwind

colors: {
  custom: {
    50: '#82be65',
    500: '#42a11b',
    950: '#000000',
  },
}

SCSS

$custom: #42a11b;
$custom-light: #82be65;
$custom-dark: #000000;

JSON

{
  "hex": "#42a11b",
  "rgb": {
    "r": 66,
    "g": 161,
    "b": 27
  },
  "hsl": {
    "h": 102.537,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.62742,
    "c": 0.18578,
    "h": 138.9
  },
  "luminance": 0.26727
}

Semantic roles & 50–950 ramp

primary

#42A11B

secondary

#A452C5

accent

#3AEEBA

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #42A11B

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

Preview Lab → · Contrast checker → · Palette generator →