#42BB39#42BB39

#42BB39 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.200 H 142.1°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#42BB39
RGB	rgb(66, 187, 57)
HSL	hsl(116, 53%, 48%)
HSV	hsv(116, 70%, 73%)
CMYK	cmyk(64.7%, 0%, 69.5%, 26.7%)
CIE-LAB	lab(67.27, -57.84, 53.59)
CIE-LCH	lch(67.27, 78.85, 137.19°)
OKLab	oklab(69.87% -0.1575 0.1225)
OKLCH	oklch(69.87% 0.2 142.1)
XYZ	xyz(20.7545, 36.9922, 9.9166)
Luminance	0.3699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB39 #B239BB

analogous

#83BB39 #42BB39 #39BB71

triadic

#42BB39 #3942BB #BB3942

tetradic

#42BB39 #3983BB #B239BB #BB7139

square

#42BB39 #3983BB #B239BB #BB7139

split-complementary

#42BB39 #7139BB #BB3983

monochromatic

#215D1C #318C2B #42BB39 #6ACF62 #96DD91

Accessibility & contrast

On white

2.50

#42BB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#42BB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB39

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB39	#FFFFFF	#000000	##000000
##42BB39	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA25

Deuteranopia (green-blind)

#B1A045

Tritanopia (blue-blind)

#2AB5A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42bb39;
/* rgb */ color: rgb(66, 187, 57);
/* oklch */ color: oklch(69.9% 0.200 142.1);

Tailwind

colors: {
  custom: {
    50: '#85d076',
    500: '#42bb39',
    950: '#000000',
  },
}

SCSS

$custom: #42bb39;
$custom-light: #85d076;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb39",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 57
  },
  "hsl": {
    "h": 115.846,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.69873,
    "c": 0.19957,
    "h": 142.1
  },
  "luminance": 0.36994
}

Semantic roles & 50–950 ramp

primary

#42BB39

secondary

#C487C8

accent

#4BDDD3

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42BB39

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

Preview Lab → · Contrast checker → · Palette generator →