#42BB4E#42BB4E

#42BB4E is a light, vivid green. Relative luminance 0.372; OKLCH L 70.1% C 0.184 H 144.9°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX#42BB4E
RGBrgb(66, 187, 78)
HSLhsl(126, 48%, 50%)
HSVhsv(126, 65%, 73%)
CMYKcmyk(64.7%, 0%, 58.3%, 26.7%)
CIE-LABlab(67.46, -55.61, 44.74)
CIE-LCHlch(67.46, 71.38, 141.18°)
OKLaboklab(70.09% -0.1505 0.1058)
OKLCHoklch(70.09% 0.184 144.9)
XYZxyz(21.3909, 37.2468, 13.2683)
Luminance0.3725 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BB4E #BB42AF
analogous
#73BB42 #42BB4E #42BB8A
triadic
#42BB4E #4E42BB #BB4E42
tetradic
#42BB4E #4273BB #BB42AF #BB8A42
square
#42BB4E #4273BB #BB42AF #BB8A42
split-complementary
#42BB4E #8A42BB #BB4273
monochromatic
#226128 #328E3B #42BB4E #6ECC78 #9CDCA2

Accessibility & contrast

On white

2.49
#42BB4E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.45
#42BB4E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB4E
8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BB4E#FFFFFF#000000##000000
##42BB4E1.002.498.458.45
#FFFFFF2.491.0021.0021.00
#0000008.4521.001.001.00
##0000008.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEAA43
Deuteranopia (green-blind)
#AFA057
Tritanopia (blue-blind)
#23B6A3
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #42bb4e;
/* rgb */ color: rgb(66, 187, 78);
/* oklch */ color: oklch(70.1% 0.184 144.9);
Tailwind
colors: {
  custom: {
    50: '#85d083',
    500: '#42bb4e',
    950: '#000000',
  },
}
SCSS
$custom: #42bb4e;
$custom-light: #85d083;
$custom-dark: #000000;
JSON
{
  "hex": "#42bb4e",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 78
  },
  "hsl": {
    "h": 125.95,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.70092,
    "c": 0.184,
    "h": 144.9
  },
  "luminance": 0.37249
}

Semantic roles & 50–950 ramp

primary
#42BB4E
secondary
#C891C3
accent
#50CAD7
background
#F8FCF8
surface
#F0F9EF
border
#CBD2CA
text
#0C140B
muted
#7D827C

Preview Lab

Preview with #42BB4E

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

Preview Lab → · Contrast checker → · Palette generator →

#42BB4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva