#42B658#42B658

#42B658 is a light, vivid green. Relative luminance 0.353; OKLCH L 68.9% C 0.169 H 147.0°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#42B658
RGB	rgb(66, 182, 88)
HSL	hsl(131, 47%, 49%)
HSV	hsv(131, 64%, 71%)
CMYK	cmyk(63.7%, 0%, 51.6%, 28.6%)
CIE-LAB	lab(65.99, -52.43, 38.18)
CIE-LCH	lch(65.99, 64.86, 143.94°)
OKLab	oklab(68.92% -0.1416 0.0921)
OKLCH	oklch(68.92% 0.169 147)
XYZ	xyz(20.7347, 35.3166, 14.9547)
Luminance	0.3532 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B658 #B642A0

analogous

#66B642 #42B658 #42B692

triadic

#42B658 #5842B6 #B65842

tetradic

#42B658 #4266B6 #B642A0 #B69242

square

#42B658 #4266B6 #B642A0 #B69242

split-complementary

#42B658 #9242B6 #B64266

monochromatic

#215C2D #328942 #42B658 #6CCA7D #99DAA5

Accessibility & contrast

On white

2.60

#42B658 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#42B658 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B658

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B658	#FFFFFF	#000000	##000000
##42B658	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A650

Deuteranopia (green-blind)

#AA9C5F

Tritanopia (blue-blind)

#21B2A0

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42b658;
/* rgb */ color: rgb(66, 182, 88);
/* oklch */ color: oklch(68.9% 0.169 147.0);

Tailwind

colors: {
  custom: {
    50: '#83cd89',
    500: '#42b658',
    950: '#000000',
  },
}

SCSS

$custom: #42b658;
$custom-light: #83cd89;
$custom-dark: #000000;

JSON

{
  "hex": "#42b658",
  "rgb": {
    "r": 66,
    "g": 182,
    "b": 88
  },
  "hsl": {
    "h": 131.379,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.68919,
    "c": 0.16893,
    "h": 147
  },
  "luminance": 0.35319
}

Semantic roles & 50–950 ramp

primary

#42B658

secondary

#C68EBB

accent

#51BDD6

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #42B658

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

Preview Lab → · Contrast checker → · Palette generator →