#42AD1B#42AD1B

#42AD1B is a light, vivid green. Relative luminance 0.311; OKLCH L 66.0% C 0.199 H 139.5°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#42AD1B
RGB	rgb(66, 173, 27)
HSL	hsl(104, 73%, 39%)
HSV	hsv(104, 84%, 68%)
CMYK	cmyk(61.8%, 0%, 84.4%, 32.2%)
CIE-LAB	lab(62.61, -55.00, 58.89)
CIE-LCH	lch(62.61, 80.58, 133.04°)
OKLab	oklab(65.96% -0.1514 0.1296)
OKLCH	oklch(65.96% 0.199 139.5)
XYZ	xyz(17.3874, 31.1229, 6.1277)
Luminance	0.3113 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AD1B #861BAD

analogous

#8BAD1B #42AD1B #1BAD3D

triadic

#42AD1B #1B42AD #AD1B42

tetradic

#42AD1B #1B8BAD #861BAD #AD3D1B

square

#42AD1B #1B8BAD #861BAD #AD3D1B

split-complementary

#42AD1B #3D1BAD #AD1B8B

monochromatic

#1A430A #2E7813 #42AD1B #58DD28 #81E65D

Accessibility & contrast

On white

2.91

#42AD1B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#42AD1B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AD1B

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AD1B	#FFFFFF	#000000	##000000
##42AD1B	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A5942F

Tritanopia (blue-blind)

#34A793

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #42ad1b;
/* rgb */ color: rgb(66, 173, 27);
/* oklch */ color: oklch(66.0% 0.199 139.5);

Tailwind

colors: {
  custom: {
    50: '#84c667',
    500: '#42ad1b',
    950: '#000000',
  },
}

SCSS

$custom: #42ad1b;
$custom-light: #84c667;
$custom-dark: #000000;

JSON

{
  "hex": "#42ad1b",
  "rgb": {
    "r": 66,
    "g": 173,
    "b": 27
  },
  "hsl": {
    "h": 103.973,
    "s": 73,
    "l": 39.216
  },
  "oklch": {
    "l": 0.65961,
    "c": 0.19928,
    "h": 139.5
  },
  "luminance": 0.31125
}

Semantic roles & 50–950 ramp

primary

#42AD1B

secondary

#AC5ACA

accent

#38F0BF

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42AD1B

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

Preview Lab → · Contrast checker → · Palette generator →