#42E57C#42E57C

#42E57C is a light, vivid green. Relative luminance 0.587; OKLCH L 81.5% C 0.197 H 150.8°. Best body text is #000000 at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#42E57C
RGB	rgb(66, 229, 124)
HSL	hsl(141, 76%, 58%)
HSV	hsv(141, 71%, 90%)
CMYK	cmyk(71.2%, 0%, 45.9%, 10.2%)
CIE-LAB	lab(81.10, -63.93, 39.33)
CIE-LCH	lch(81.10, 75.06, 148.40°)
OKLab	oklab(81.55% -0.172 0.0963)
OKLCH	oklch(81.55% 0.197 150.8)
XYZ	xyz(33.9013, 58.6483, 28.5984)
Luminance	0.5865 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E57C #E542AB

analogous

#59E542 #42E57C #42E5CE

triadic

#42E57C #7C42E5 #E57C42

tetradic

#42E57C #4259E5 #E542AB #E5CE42

square

#42E57C #4259E5 #E542AB #E5CE42

split-complementary

#42E57C #CE42E5 #E54259

monochromatic

#159843 #1CCE5B #42E57C #78ECA1 #AEF4C7

Accessibility & contrast

On white

1.65

#42E57C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.73

#42E57C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E57C

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E57C	#FFFFFF	#000000	##000000
##42E57C	1.00	1.65	12.73	12.73
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.73	21.00	1.00	1.00
##000000	12.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D274

Deuteranopia (green-blind)

#D3C483

Tritanopia (blue-blind)

#00E1CC

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #42e57c;
/* rgb */ color: rgb(66, 229, 124);
/* oklch */ color: oklch(81.5% 0.197 150.8);

Tailwind

colors: {
  custom: {
    50: '#8beea3',
    500: '#42e57c',
    950: '#000000',
  },
}

SCSS

$custom: #42e57c;
$custom-light: #8beea3;
$custom-dark: #000000;

JSON

{
  "hex": "#42e57c",
  "rgb": {
    "r": 66,
    "g": 229,
    "b": 124
  },
  "hsl": {
    "h": 141.35,
    "s": 75.814,
    "l": 57.843
  },
  "oklch": {
    "l": 0.81545,
    "c": 0.19719,
    "h": 150.8
  },
  "luminance": 0.58652
}

Semantic roles & 50–950 ramp

primary

#42E57C

secondary

#9C3075

accent

#35AFF2

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E170F

muted

#7F8580

Preview Lab

Preview with #42E57C

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

Preview Lab → · Contrast checker → · Palette generator →