#42C951#42C951

#42C951 is a light, vivid green. Relative luminance 0.435; OKLCH L 73.8% C 0.199 H 144.9°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#42C951
RGB	rgb(66, 201, 81)
HSL	hsl(127, 56%, 52%)
HSV	hsv(127, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 59.7%, 21.2%)
CIE-LAB	lab(71.91, -60.20, 48.53)
CIE-LCH	lch(71.91, 77.33, 141.12°)
OKLab	oklab(73.78% -0.1628 0.1143)
OKLCH	oklch(73.78% 0.199 144.9)
XYZ	xyz(24.6170, 43.5230, 14.8864)
Luminance	0.4353 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C951 #C942BA

analogous

#76C942 #42C951 #42C995

triadic

#42C951 #5142C9 #C95142

tetradic

#42C951 #4276C9 #C942BA #C99542

square

#42C951 #4276C9 #C942BA #C99542

split-complementary

#42C951 #9542C9 #C94276

monochromatic

#207029 #2EA03A #42C951 #72D77D #A1E4A9

Accessibility & contrast

On white

2.16

#42C951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#42C951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C951

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C951	#FFFFFF	#000000	##000000
##42C951	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB744

Deuteranopia (green-blind)

#BCAC5B

Tritanopia (blue-blind)

#18C4AF

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c951;
/* rgb */ color: rgb(66, 201, 81);
/* oklch */ color: oklch(73.8% 0.199 144.9);

Tailwind

colors: {
  custom: {
    50: '#87db86',
    500: '#42c951',
    950: '#000000',
  },
}

SCSS

$custom: #42c951;
$custom-light: #87db86;
$custom-dark: #000000;

JSON

{
  "hex": "#42c951",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 81
  },
  "hsl": {
    "h": 126.667,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.73779,
    "c": 0.19891,
    "h": 144.9
  },
  "luminance": 0.43526
}

Semantic roles & 50–950 ramp

primary

#42C951

secondary

#D196CA

accent

#49CEDF

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #42C951

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

Preview Lab → · Contrast checker → · Palette generator →