#42B41B#42B41B

#42B41B is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.8% C 0.207 H 139.7°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#42B41B
RGB	rgb(66, 180, 27)
HSL	hsl(105, 74%, 41%)
HSV	hsv(105, 85%, 71%)
CMYK	cmyk(63.3%, 0%, 85%, 29.4%)
CIE-LAB	lab(64.87, -57.42, 60.91)
CIE-LCH	lch(64.87, 83.71, 133.31°)
OKLab	oklab(67.83% -0.1579 0.1338)
OKLCH	oklch(67.83% 0.207 139.7)
XYZ	xyz(18.7650, 33.8781, 6.5869)
Luminance	0.3388 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B41B #8D1BB4

analogous

#8EB41B #42B41B #1BB440

triadic

#42B41B #1B42B4 #B41B42

tetradic

#42B41B #1B8EB4 #8D1BB4 #B4401B

square

#42B41B #1B8EB4 #8D1BB4 #B4401B

split-complementary

#42B41B #401BB4 #B41B8E

monochromatic

#1B4A0B #2E7F13 #42B41B #5ADF2D #84E762

Accessibility & contrast

On white

2.70

#42B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#42B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B41B

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B41B	#FFFFFF	#000000	##000000
##42B41B	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AC9A30

Tritanopia (blue-blind)

#32AE99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #42b41b;
/* rgb */ color: rgb(66, 180, 27);
/* oklch */ color: oklch(67.8% 0.207 139.7);

Tailwind

colors: {
  custom: {
    50: '#85cb68',
    500: '#42b41b',
    950: '#000000',
  },
}

SCSS

$custom: #42b41b;
$custom-light: #85cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#42b41b",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 104.706,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67828,
    "c": 0.20696,
    "h": 139.7
  },
  "luminance": 0.3388
}

Semantic roles & 50–950 ramp

primary

#42B41B

secondary

#B05FCC

accent

#37F1C1

background

#F8FCF6

surface

#F0F9EB

border

#CBD2C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42B41B

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

Preview Lab → · Contrast checker → · Palette generator →