#42CC3F#42CC3F

#42CC3F is a light, highly saturated green. Relative luminance 0.447; OKLCH L 74.4% C 0.215 H 142.8°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#42CC3F
RGB	rgb(66, 204, 63)
HSL	hsl(119, 58%, 52%)
HSV	hsv(119, 69%, 80%)
CMYK	cmyk(67.6%, 0%, 69.1%, 20%)
CIE-LAB	lab(72.69, -63.08, 56.96)
CIE-LCH	lch(72.69, 84.99, 137.92°)
OKLab	oklab(74.38% -0.1714 0.1303)
OKLCH	oklch(74.38% 0.215 142.8)
XYZ	xyz(24.7354, 44.7002, 12.0261)
Luminance	0.4470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC3F #C93FCC

analogous

#89CC3F #42CC3F #3FCC82

triadic

#42CC3F #3F42CC #CC3F42

tetradic

#42CC3F #3F89CC #C93FCC #CC823F

square

#42CC3F #3F89CC #C93FCC #CC823F

split-complementary

#42CC3F #823FCC #CC3F89

monochromatic

#20721E #2EA32B #42CC3F #72D96F #A1E6A0

Accessibility & contrast

On white

2.11

#42CC3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#42CC3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC3F

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC3F	#FFFFFF	#000000	##000000
##42CC3F	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92A

Deuteranopia (green-blind)

#C0AE4D

Tritanopia (blue-blind)

#1EC6B0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cc3f;
/* rgb */ color: rgb(66, 204, 63);
/* oklch */ color: oklch(74.4% 0.215 142.8);

Tailwind

colors: {
  custom: {
    50: '#89dd7b',
    500: '#42cc3f',
    950: '#000000',
  },
}

SCSS

$custom: #42cc3f;
$custom-light: #89dd7b;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc3f",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 63
  },
  "hsl": {
    "h": 118.723,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74378,
    "c": 0.21533,
    "h": 142.8
  },
  "luminance": 0.44703
}

Semantic roles & 50–950 ramp

primary

#42CC3F

secondary

#D195D2

accent

#47E1DE

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CC3F

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

Preview Lab → · Contrast checker → · Palette generator →