#42D581#42D581

#42D581 is a light, vivid green. Relative luminance 0.503; OKLCH L 77.6% C 0.172 H 153.8°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#42D581
RGB	rgb(66, 213, 129)
HSL	hsl(146, 64%, 55%)
HSV	hsv(146, 69%, 84%)
CMYK	cmyk(69%, 0%, 39.4%, 16.5%)
CIE-LAB	lab(76.27, -57.28, 30.56)
CIE-LCH	lch(76.27, 64.92, 151.92°)
OKLab	oklab(77.59% -0.1546 0.0761)
OKLCH	oklch(77.59% 0.172 153.8)
XYZ	xyz(30.0008, 50.3284, 28.8979)
Luminance	0.5033 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D581 #D54296

analogous

#4DD542 #42D581 #42D5CA

triadic

#42D581 #8142D5 #D58142

tetradic

#42D581 #424DD5 #D54296 #D5CA42

square

#42D581 #424DD5 #D54296 #D5CA42

split-complementary

#42D581 #CA42D5 #D5424D

monochromatic

#1C8047 #28B263 #42D581 #74E0A2 #A6EBC4

Accessibility & contrast

On white

1.90

#42D581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#42D581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D581

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D581	#FFFFFF	#000000	##000000
##42D581	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C47B

Deuteranopia (green-blind)

#C3B787

Tritanopia (blue-blind)

#00D2C0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d581;
/* rgb */ color: rgb(66, 213, 129);
/* oklch */ color: oklch(77.6% 0.172 153.8);

Tailwind

colors: {
  custom: {
    50: '#88e3a6',
    500: '#42d581',
    950: '#000000',
  },
}

SCSS

$custom: #42d581;
$custom-light: #88e3a6;
$custom-dark: #000000;

JSON

{
  "hex": "#42d581",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 129
  },
  "hsl": {
    "h": 145.714,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77586,
    "c": 0.17233,
    "h": 153.8
  },
  "luminance": 0.50332
}

Semantic roles & 50–950 ramp

primary

#42D581

secondary

#873464

accent

#41A0E7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42D581

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

Preview Lab → · Contrast checker → · Palette generator →