#42CC39#42CC39

#42CC39 is a light, highly saturated green. Relative luminance 0.446; OKLCH L 74.3% C 0.219 H 142.2°. Best body text is #000000 at 9.93:1 contrast (WCAG AA passes).

Color values

HEX#42CC39
RGBrgb(66, 204, 57)
HSLhsl(116, 59%, 51%)
HSVhsv(116, 72%, 80%)
CMYKcmyk(67.6%, 0%, 72.1%, 20%)
CIE-LABlab(72.65, -63.58, 59.17)
CIE-LCHlch(72.65, 86.85, 137.06°)
OKLaboklab(74.33% -0.1731 0.1342)
OKLCHoklch(74.33% 0.219 142.2)
XYZxyz(24.5768, 44.6368, 11.1907)
Luminance0.4464 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42CC39 #C339CC
analogous
#8BCC39 #42CC39 #39CC79
triadic
#42CC39 #3942CC #CC3942
tetradic
#42CC39 #398BCC #C339CC #CC7939
square
#42CC39 #398BCC #C339CC #CC7939
split-complementary
#42CC39 #7939CC #CC398B
monochromatic
#216E1C #309F29 #42CC39 #70D96A #9FE59A

Accessibility & contrast

On white

2.12
#42CC39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.93
#42CC39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC39
9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42CC39#FFFFFF#000000##000000
##42CC391.002.129.939.93
#FFFFFF2.121.0021.0021.00
#0000009.9321.001.001.00
##0000009.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1B91F
Deuteranopia (green-blind)
#C1AE48
Tritanopia (blue-blind)
#20C6AF
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #42cc39;
/* rgb */ color: rgb(66, 204, 57);
/* oklch */ color: oklch(74.3% 0.219 142.2);
Tailwind
colors: {
  custom: {
    50: '#89dd78',
    500: '#42cc39',
    950: '#000000',
  },
}
SCSS
$custom: #42cc39;
$custom-light: #89dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#42cc39",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 116.327,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7433,
    "c": 0.21901,
    "h": 142.2
  },
  "luminance": 0.44639
}

Semantic roles & 50–950 ramp

primary
#42CC39
secondary
#CD90D1
accent
#46E2D9
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D1509
muted
#7E837B

Preview Lab

Preview with #42CC39

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

Preview Lab → · Contrast checker → · Palette generator →

#42CC39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva