#42C577#42C577

#42C577 is a light, vivid green. Relative luminance 0.424; OKLCH L 73.3% C 0.160 H 153.3°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#42C577
RGB	rgb(66, 197, 119)
HSL	hsl(144, 53%, 52%)
HSV	hsv(144, 66%, 77%)
CMYK	cmyk(66.5%, 0%, 39.6%, 22.7%)
CIE-LAB	lab(71.16, -53.04, 28.98)
CIE-LCH	lch(71.16, 60.43, 151.35°)
OKLab	oklab(73.32% -0.1433 0.0721)
OKLCH	oklch(73.32% 0.16 153.3)
XYZ	xyz(25.5406, 42.4199, 24.2910)
Luminance	0.4242 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C577 #C54290

analogous

#4FC542 #42C577 #42C5B9

triadic

#42C577 #7742C5 #C57742

tetradic

#42C577 #424FC5 #C54290 #C5B942

square

#42C577 #424FC5 #C54290 #C5B942

split-complementary

#42C577 #B942C5 #C5424F

monochromatic

#216C3F #2F9A5B #42C577 #71D399 #A0E2BA

Accessibility & contrast

On white

2.21

#42C577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#42C577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C577

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C577	#FFFFFF	#000000	##000000
##42C577	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B572

Deuteranopia (green-blind)

#B4AA7C

Tritanopia (blue-blind)

#00C3B1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c577;
/* rgb */ color: rgb(66, 197, 119);
/* oklch */ color: oklch(73.3% 0.160 153.3);

Tailwind

colors: {
  custom: {
    50: '#85d79f',
    500: '#42c577',
    950: '#000000',
  },
}

SCSS

$custom: #42c577;
$custom-light: #85d79f;
$custom-dark: #000000;

JSON

{
  "hex": "#42c577",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 119
  },
  "hsl": {
    "h": 144.275,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.73323,
    "c": 0.16039,
    "h": 153.3
  },
  "luminance": 0.42423
}

Semantic roles & 50–950 ramp

primary

#42C577

secondary

#CE95B7

accent

#4BA2DC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #42C577

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

Preview Lab → · Contrast checker → · Palette generator →