#42D571#42D571

#42D571 is a light, vivid green. Relative luminance 0.499; OKLCH L 77.3% C 0.187 H 149.9°. Best body text is #000000 at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#42D571
RGB	rgb(66, 213, 113)
HSL	hsl(139, 64%, 55%)
HSV	hsv(139, 69%, 84%)
CMYK	cmyk(69%, 0%, 46.9%, 16.5%)
CIE-LAB	lab(76.03, -60.00, 38.32)
CIE-LCH	lch(76.03, 71.19, 147.44°)
OKLab	oklab(77.31% -0.1616 0.0936)
OKLCH	oklch(77.31% 0.187 149.9)
XYZ	xyz(29.0193, 49.9358, 23.7288)
Luminance	0.4994 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D571 #D542A6

analogous

#5CD542 #42D571 #42D5BB

triadic

#42D571 #7142D5 #D57142

tetradic

#42D571 #425CD5 #D542A6 #D5BB42

square

#42D571 #425CD5 #D542A6 #D5BB42

split-complementary

#42D571 #BB42D5 #D5425C

monochromatic

#1C803C #28B254 #42D571 #74E097 #A6EBBC

Accessibility & contrast

On white

1.91

#42D571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.99

#42D571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D571

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D571	#FFFFFF	#000000	##000000
##42D571	1.00	1.91	10.99	10.99
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.99	21.00	1.00	1.00
##000000	10.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C369

Deuteranopia (green-blind)

#C4B678

Tritanopia (blue-blind)

#00D1BD

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #42d571;
/* rgb */ color: rgb(66, 213, 113);
/* oklch */ color: oklch(77.3% 0.187 149.9);

Tailwind

colors: {
  custom: {
    50: '#88e39b',
    500: '#42d571',
    950: '#000000',
  },
}

SCSS

$custom: #42d571;
$custom-light: #88e39b;
$custom-dark: #000000;

JSON

{
  "hex": "#42d571",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 113
  },
  "hsl": {
    "h": 139.184,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77309,
    "c": 0.18673,
    "h": 149.9
  },
  "luminance": 0.49939
}

Semantic roles & 50–950 ramp

primary

#42D571

secondary

#D89AC5

accent

#41B2E7

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D160E

muted

#7E847E

Preview Lab

Preview with #42D571

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

Preview Lab → · Contrast checker → · Palette generator →