#42B439#42B439

#42B439 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.0% C 0.191 H 142.1°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#42B439
RGB	rgb(66, 180, 57)
HSL	hsl(116, 52%, 46%)
HSV	hsv(116, 68%, 71%)
CMYK	cmyk(63.3%, 0%, 68.3%, 29.4%)
CIE-LAB	lab(65.04, -55.39, 51.22)
CIE-LCH	lch(65.04, 75.44, 137.24°)
OKLab	oklab(68.03% -0.1509 0.1176)
OKLCH	oklch(68.03% 0.191 142.1)
XYZ	xyz(19.3055, 34.0943, 9.4336)
Luminance	0.3410 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B439 #AB39B4

analogous

#80B439 #42B439 #39B46E

triadic

#42B439 #3942B4 #B43942

tetradic

#42B439 #3980B4 #AB39B4 #B46E39

square

#42B439 #3980B4 #AB39B4 #B46E39

split-complementary

#42B439 #6E39B4 #B43980

monochromatic

#20571C #31862A #42B439 #66CC5E #92DB8D

Accessibility & contrast

On white

2.69

#42B439 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#42B439 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B439

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B439	#FFFFFF	#000000	##000000
##42B439	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A428

Deuteranopia (green-blind)

#AA9A44

Tritanopia (blue-blind)

#2DAF9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42b439;
/* rgb */ color: rgb(66, 180, 57);
/* oklch */ color: oklch(68.0% 0.191 142.1);

Tailwind

colors: {
  custom: {
    50: '#84cb76',
    500: '#42b439',
    950: '#000000',
  },
}

SCSS

$custom: #42b439;
$custom-light: #84cb76;
$custom-dark: #000000;

JSON

{
  "hex": "#42b439",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 57
  },
  "hsl": {
    "h": 115.61,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.68025,
    "c": 0.19128,
    "h": 142.1
  },
  "luminance": 0.34096
}

Semantic roles & 50–950 ramp

primary

#42B439

secondary

#C083C5

accent

#4CDBD1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B439

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

Preview Lab → · Contrast checker → · Palette generator →