#42B558#42B558

#42B558 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.7% C 0.168 H 147.0°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#42B558
RGB	rgb(66, 181, 88)
HSL	hsl(131, 47%, 48%)
HSV	hsv(131, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 51.4%, 29%)
CIE-LAB	lab(65.68, -52.05, 37.79)
CIE-LCH	lch(65.68, 64.33, 144.02°)
OKLab	oklab(68.66% -0.1406 0.0912)
OKLCH	oklch(68.66% 0.168 147)
XYZ	xyz(20.5307, 34.9085, 14.8867)
Luminance	0.3491 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B558 #B5429F

analogous

#65B542 #42B558 #42B591

triadic

#42B558 #5842B5 #B55842

tetradic

#42B558 #4265B5 #B5429F #B59142

square

#42B558 #4265B5 #B5429F #B59142

split-complementary

#42B558 #9142B5 #B54265

monochromatic

#215B2C #328842 #42B558 #6BC97D #98D9A4

Accessibility & contrast

On white

2.63

#42B558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#42B558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B558

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B558	#FFFFFF	#000000	##000000
##42B558	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A650

Deuteranopia (green-blind)

#A99C5F

Tritanopia (blue-blind)

#21B1A0

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b558;
/* rgb */ color: rgb(66, 181, 88);
/* oklch */ color: oklch(68.7% 0.168 147.0);

Tailwind

colors: {
  custom: {
    50: '#83cc89',
    500: '#42b558',
    950: '#000000',
  },
}

SCSS

$custom: #42b558;
$custom-light: #83cc89;
$custom-dark: #000000;

JSON

{
  "hex": "#42b558",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 88
  },
  "hsl": {
    "h": 131.478,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.68657,
    "c": 0.1676,
    "h": 147
  },
  "luminance": 0.34911
}

Semantic roles & 50–950 ramp

primary

#42B558

secondary

#C58EBB

accent

#52BDD6

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C130C

muted

#7D827D

Preview Lab

Preview with #42B558

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

Preview Lab → · Contrast checker → · Palette generator →