#42DF5F#42DF5F

#42DF5F is a light, highly saturated green. Relative luminance 0.548; OKLCH L 79.6% C 0.214 H 146.2°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX#42DF5F
RGBrgb(66, 223, 95)
HSLhsl(131, 71%, 57%)
HSVhsv(131, 70%, 87%)
CMYKcmyk(70.4%, 0%, 57.4%, 12.5%)
CIE-LABlab(78.90, -66.00, 50.36)
CIE-LCHlch(78.90, 83.02, 142.66°)
OKLaboklab(79.61% -0.178 0.1193)
OKLCHoklch(79.61% 0.214 146.2)
XYZxyz(30.6978, 54.7564, 19.7755)
Luminance0.5476 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DF5F #DF42C2
analogous
#74DF42 #42DF5F #42DFAE
triadic
#42DF5F #5F42DF #DF5F42
tetradic
#42DF5F #4274DF #DF42C2 #DFAE42
square
#42DF5F #4274DF #DF42C2 #DFAE42
split-complementary
#42DF5F #AE42DF #DF4274
monochromatic
#188E2E #21C33F #42DF5F #76E88B #ABF1B8

Accessibility & contrast

On white

1.76
#42DF5F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.95
#42DF5F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DF5F
11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DF5F#FFFFFF#000000##000000
##42DF5F1.001.7611.9511.95
#FFFFFF1.761.0021.0021.00
#00000011.9521.001.001.00
##00000011.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2CB52
Deuteranopia (green-blind)
#D0BE69
Tritanopia (blue-blind)
#00DAC3
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #42df5f;
/* rgb */ color: rgb(66, 223, 95);
/* oklch */ color: oklch(79.6% 0.214 146.2);
Tailwind
colors: {
  custom: {
    50: '#8bea90',
    500: '#42df5f',
    950: '#000000',
  },
}
SCSS
$custom: #42df5f;
$custom-light: #8bea90;
$custom-dark: #000000;
JSON
{
  "hex": "#42df5f",
  "rgb": {
    "r": 66,
    "g": 223,
    "b": 95
  },
  "hsl": {
    "h": 131.083,
    "s": 71.041,
    "l": 56.667
  },
  "oklch": {
    "l": 0.79612,
    "c": 0.21432,
    "h": 146.2
  },
  "luminance": 0.5476
}

Semantic roles & 50–950 ramp

primary
#42DF5F
secondary
#943282
accent
#3ACDEE
background
#FCFFFC
surface
#F5FEF4
border
#CFD6CE
text
#0E160D
muted
#7F857F

Preview Lab

Preview with #42DF5F

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

Preview Lab → · Contrast checker → · Palette generator →

#42DF5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva