#42CE5B#42CE5B

#42CE5B is a light, vivid green. Relative luminance 0.461; OKLCH L 75.2% C 0.197 H 146.3°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#42CE5B
RGB	rgb(66, 206, 91)
HSL	hsl(131, 59%, 53%)
HSV	hsv(131, 68%, 81%)
CMYK	cmyk(68%, 0%, 55.8%, 19.2%)
CIE-LAB	lab(73.58, -60.70, 45.91)
CIE-LCH	lch(73.58, 76.10, 142.90°)
OKLab	oklab(75.2% -0.1638 0.1094)
OKLCH	oklch(75.2% 0.197 146.3)
XYZ	xyz(26.2046, 46.0534, 17.4037)
Luminance	0.4606 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CE5B #CE42B5

analogous

#6FCE42 #42CE5B #42CEA1

triadic

#42CE5B #5B42CE #CE5B42

tetradic

#42CE5B #426FCE #CE42B5 #CEA142

square

#42CE5B #426FCE #CE42B5 #CEA142

split-complementary

#42CE5B #A142CE #CE426F

monochromatic

#1F772F #2BA742 #42CE5B #73DB85 #A3E7AF

Accessibility & contrast

On white

2.06

#42CE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#42CE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CE5B

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CE5B	#FFFFFF	#000000	##000000
##42CE5B	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BC50

Deuteranopia (green-blind)

#C0B064

Tritanopia (blue-blind)

#08C9B4

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42ce5b;
/* rgb */ color: rgb(66, 206, 91);
/* oklch */ color: oklch(75.2% 0.197 146.3);

Tailwind

colors: {
  custom: {
    50: '#88de8c',
    500: '#42ce5b',
    950: '#000000',
  },
}

SCSS

$custom: #42ce5b;
$custom-light: #88de8c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ce5b",
  "rgb": {
    "r": 66,
    "g": 206,
    "b": 91
  },
  "hsl": {
    "h": 130.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75196,
    "c": 0.19695,
    "h": 146.3
  },
  "luminance": 0.46056
}

Semantic roles & 50–950 ramp

primary

#42CE5B

secondary

#D498C9

accent

#46C6E2

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CE5B

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

Preview Lab → · Contrast checker → · Palette generator →