#42C451#42C451

#42C451 is a light, vivid green. Relative luminance 0.412; OKLCH L 72.5% C 0.193 H 145.1°. Best body text is #000000 at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#42C451
RGB	rgb(66, 196, 81)
HSL	hsl(127, 52%, 51%)
HSV	hsv(127, 66%, 77%)
CMYK	cmyk(66.3%, 0%, 58.7%, 23.1%)
CIE-LAB	lab(70.34, -58.45, 46.71)
CIE-LCH	lch(70.34, 74.83, 141.37°)
OKLab	oklab(72.48% -0.1581 0.1103)
OKLCH	oklch(72.48% 0.193 145.1)
XYZ	xyz(23.4704, 41.2297, 14.5042)
Luminance	0.4123 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C451 #C442B5

analogous

#74C442 #42C451 #42C492

triadic

#42C451 #5142C4 #C45142

tetradic

#42C451 #4274C4 #C442B5 #C49242

square

#42C451 #4274C4 #C442B5 #C49242

split-complementary

#42C451 #9242C4 #C44274

monochromatic

#216A2A #30993C #42C451 #71D37C #9FE1A7

Accessibility & contrast

On white

2.27

#42C451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.25

#42C451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C451

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C451	#FFFFFF	#000000	##000000
##42C451	1.00	2.27	9.25	9.25
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.25	21.00	1.00	1.00
##000000	9.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B345

Deuteranopia (green-blind)

#B7A85A

Tritanopia (blue-blind)

#1CBFAB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42c451;
/* rgb */ color: rgb(66, 196, 81);
/* oklch */ color: oklch(72.5% 0.193 145.1);

Tailwind

colors: {
  custom: {
    50: '#86d785',
    500: '#42c451',
    950: '#000000',
  },
}

SCSS

$custom: #42c451;
$custom-light: #86d785;
$custom-dark: #000000;

JSON

{
  "hex": "#42c451",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 81
  },
  "hsl": {
    "h": 126.923,
    "s": 52.419,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72478,
    "c": 0.19278,
    "h": 145.1
  },
  "luminance": 0.41232
}

Semantic roles & 50–950 ramp

primary

#42C451

secondary

#CE94C7

accent

#4CCBDC

background

#F8FDF8

surface

#F0FAEF

border

#CBD3CA

text

#0C140B

muted

#7D837C

Preview Lab

Preview with #42C451

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

Preview Lab → · Contrast checker → · Palette generator →