#42D971#42D971

#42D971 is a light, vivid green. Relative luminance 0.520; OKLCH L 78.3% C 0.192 H 149.6°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#42D971
RGB	rgb(66, 217, 113)
HSL	hsl(139, 67%, 55%)
HSV	hsv(139, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 47.9%, 14.9%)
CIE-LAB	lab(77.26, -61.43, 39.87)
CIE-LCH	lch(77.26, 73.23, 147.01°)
OKLab	oklab(78.33% -0.1654 0.0971)
OKLCH	oklch(78.33% 0.192 149.6)
XYZ	xyz(30.0379, 51.9729, 24.0683)
Luminance	0.5198 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D971 #D942AA

analogous

#5FD942 #42D971 #42D9BC

triadic

#42D971 #7142D9 #D97142

tetradic

#42D971 #425FD9 #D942AA #D9BC42

square

#42D971 #425FD9 #D942AA #D9BC42

split-complementary

#42D971 #BC42D9 #D9425F

monochromatic

#1B863C #25B953 #42D971 #75E397 #A8EDBE

Accessibility & contrast

On white

1.84

#42D971 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#42D971 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D971

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D971	#FFFFFF	#000000	##000000
##42D971	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC769

Deuteranopia (green-blind)

#C8BA78

Tritanopia (blue-blind)

#00D5C0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d971;
/* rgb */ color: rgb(66, 217, 113);
/* oklch */ color: oklch(78.3% 0.192 149.6);

Tailwind

colors: {
  custom: {
    50: '#89e69b',
    500: '#42d971',
    950: '#000000',
  },
}

SCSS

$custom: #42d971;
$custom-light: #89e69b;
$custom-dark: #000000;

JSON

{
  "hex": "#42d971",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 113
  },
  "hsl": {
    "h": 138.675,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.78329,
    "c": 0.19181,
    "h": 149.6
  },
  "luminance": 0.51976
}

Semantic roles & 50–950 ramp

primary

#42D971

secondary

#8C3370

accent

#3EB4E9

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160E

muted

#7F847F

Preview Lab

Preview with #42D971

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

Preview Lab → · Contrast checker → · Palette generator →