#42C151#42C151

#42C151 is a light, vivid green. Relative luminance 0.399; OKLCH L 71.7% C 0.189 H 145.2°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#42C151
RGB	rgb(66, 193, 81)
HSL	hsl(127, 51%, 51%)
HSV	hsv(127, 66%, 76%)
CMYK	cmyk(65.8%, 0%, 58%, 24.3%)
CIE-LAB	lab(69.39, -57.39, 45.61)
CIE-LCH	lch(69.39, 73.31, 141.52°)
OKLab	oklab(71.7% -0.1552 0.108)
OKLCH	oklch(71.7% 0.189 145.2)
XYZ	xyz(22.8005, 39.8899, 14.2809)
Luminance	0.3989 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C151 #C142B2

analogous

#72C142 #42C151 #42C191

triadic

#42C151 #5142C1 #C15142

tetradic

#42C151 #4272C1 #C142B2 #C19142

square

#42C151 #4272C1 #C142B2 #C19142

split-complementary

#42C151 #9142C1 #C14272

monochromatic

#22672A #31953D #42C151 #70D07B #9EDFA6

Accessibility & contrast

On white

2.34

#42C151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.98

#42C151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C151

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C151	#FFFFFF	#000000	##000000
##42C151	1.00	2.34	8.98	8.98
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.98	21.00	1.00	1.00
##000000	8.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B046

Deuteranopia (green-blind)

#B5A55A

Tritanopia (blue-blind)

#1EBCA8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42c151;
/* rgb */ color: rgb(66, 193, 81);
/* oklch */ color: oklch(71.7% 0.189 145.2);

Tailwind

colors: {
  custom: {
    50: '#86d585',
    500: '#42c151',
    950: '#000000',
  },
}

SCSS

$custom: #42c151;
$custom-light: #86d585;
$custom-dark: #000000;

JSON

{
  "hex": "#42c151",
  "rgb": {
    "r": 66,
    "g": 193,
    "b": 81
  },
  "hsl": {
    "h": 127.087,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.71697,
    "c": 0.18905,
    "h": 145.2
  },
  "luminance": 0.39892
}

Semantic roles & 50–950 ramp

primary

#42C151

secondary

#CC93C5

accent

#4ECADA

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #42C151

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

Preview Lab → · Contrast checker → · Palette generator →