#42A01B#42A01B

#42A01B is a light, vivid green. Relative luminance 0.264; OKLCH L 62.5% C 0.185 H 138.8°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#42A01B
RGB	rgb(66, 160, 27)
HSL	hsl(102, 71%, 37%)
HSV	hsv(102, 83%, 63%)
CMYK	cmyk(58.8%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(58.39, -50.37, 55.07)
CIE-LCH	lch(58.39, 74.63, 132.45°)
OKLab	oklab(62.47% -0.139 0.1215)
OKLCH	oklch(62.47% 0.185 138.8)
XYZ	xyz(15.0148, 26.3777, 5.3369)
Luminance	0.2638 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A01B #791BA0

analogous

#85A01B #42A01B #1BA037

triadic

#42A01B #1B42A0 #A01B42

tetradic

#42A01B #1B85A0 #791BA0 #A0371B

square

#42A01B #1B85A0 #791BA0 #A0371B

split-complementary

#42A01B #371BA0 #A01B85

monochromatic

#173709 #2C6C12 #42A01B #58D424 #7DE253

Accessibility & contrast

On white

3.35

#42A01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#42A01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A01B

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A01B	#FFFFFF	#000000	##000000
##42A01B	1.00	3.35	6.28	6.28
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#998A2C

Tritanopia (blue-blind)

#389A88

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #42a01b;
/* rgb */ color: rgb(66, 160, 27);
/* oklch */ color: oklch(62.5% 0.185 138.8);

Tailwind

colors: {
  custom: {
    50: '#82bd65',
    500: '#42a01b',
    950: '#000000',
  },
}

SCSS

$custom: #42a01b;
$custom-light: #82bd65;
$custom-dark: #000000;

JSON

{
  "hex": "#42a01b",
  "rgb": {
    "r": 66,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 102.406,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62473,
    "c": 0.18464,
    "h": 138.8
  },
  "luminance": 0.26379
}

Semantic roles & 50–950 ramp

primary

#42A01B

secondary

#A352C5

accent

#3AEEB9

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #42A01B

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

Preview Lab → · Contrast checker → · Palette generator →