#42D58B#42D58B

#42D58B is a light, vivid green. Relative luminance 0.506; OKLCH L 77.8% C 0.163 H 156.8°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX#42D58B
RGBrgb(66, 213, 139)
HSLhsl(150, 64%, 55%)
HSVhsv(150, 69%, 84%)
CMYKcmyk(69%, 0%, 34.7%, 16.5%)
CIE-LABlab(76.44, -55.40, 25.62)
CIE-LCHlch(76.44, 61.04, 155.18°)
OKLaboklab(77.78% -0.1501 0.0645)
OKLCHoklch(77.78% 0.163 156.8)
XYZxyz(30.6983, 50.6074, 32.5714)
Luminance0.5061 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D58B #D5428C
analogous
#43D542 #42D58B #42D5D4
triadic
#42D58B #8B42D5 #D58B42
tetradic
#42D58B #4243D5 #D5428C #D5D442
square
#42D58B #4243D5 #D5428C #D5D442
split-complementary
#42D58B #D442D5 #D54243
monochromatic
#1C804E #28B26C #42D58B #74E0AA #A6EBC8

Accessibility & contrast

On white

1.89
#42D58B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.12
#42D58B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D58B
11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D58B#FFFFFF#000000##000000
##42D58B1.001.8911.1211.12
#FFFFFF1.891.0021.0021.00
#00000011.1221.001.001.00
##00000011.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4C486
Deuteranopia (green-blind)
#C1B790
Tritanopia (blue-blind)
#00D3C2
Achromatopsia (no color)
#BDBDBD

Design tokens & code

CSS
--color: #42d58b;
/* rgb */ color: rgb(66, 213, 139);
/* oklch */ color: oklch(77.8% 0.163 156.8);
Tailwind
colors: {
  custom: {
    50: '#88e3ad',
    500: '#42d58b',
    950: '#000000',
  },
}
SCSS
$custom: #42d58b;
$custom-light: #88e3ad;
$custom-dark: #000000;
JSON
{
  "hex": "#42d58b",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 139
  },
  "hsl": {
    "h": 149.796,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77782,
    "c": 0.16336,
    "h": 156.8
  },
  "luminance": 0.50611
}

Semantic roles & 50–950 ramp

primary
#42D58B
secondary
#87345E
accent
#4194E7
background
#FCFEFD
surface
#F4FCF7
border
#CED5D0
text
#0D1610
muted
#7F8481

Preview Lab

Preview with #42D58B

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

Preview Lab → · Contrast checker → · Palette generator →

#42D58B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva