#42CC63#42CC63

#42CC63 is a light, vivid green. Relative luminance 0.452; OKLCH L 74.8% C 0.188 H 147.8°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#42CC63
RGB	rgb(66, 204, 99)
HSL	hsl(134, 58%, 53%)
HSV	hsv(134, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 51.5%, 20%)
CIE-LAB	lab(73.05, -58.89, 41.46)
CIE-LCH	lch(73.05, 72.02, 144.85°)
OKLab	oklab(74.79% -0.1587 0.1)
OKLCH	oklch(74.79% 0.188 147.8)
XYZ	xyz(26.0898, 45.2420, 19.1596)
Luminance	0.4525 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC63 #CC42AB

analogous

#66CC42 #42CC63 #42CCA8

triadic

#42CC63 #6342CC #CC6342

tetradic

#42CC63 #4266CC #CC42AB #CCA842

square

#42CC63 #4266CC #CC42AB #CCA842

split-complementary

#42CC63 #A842CC #CC4266

monochromatic

#1F7434 #2CA449 #42CC63 #72D98B #A2E6B3

Accessibility & contrast

On white

2.09

#42CC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#42CC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC63

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC63	#FFFFFF	#000000	##000000
##42CC63	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA5A

Deuteranopia (green-blind)

#BDAF6B

Tritanopia (blue-blind)

#00C8B4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42cc63;
/* rgb */ color: rgb(66, 204, 99);
/* oklch */ color: oklch(74.8% 0.188 147.8);

Tailwind

colors: {
  custom: {
    50: '#87dd91',
    500: '#42cc63',
    950: '#000000',
  },
}

SCSS

$custom: #42cc63;
$custom-light: #87dd91;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc63",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 99
  },
  "hsl": {
    "h": 134.348,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74789,
    "c": 0.18764,
    "h": 147.8
  },
  "luminance": 0.45245
}

Semantic roles & 50–950 ramp

primary

#42CC63

secondary

#D397C4

accent

#47BCE1

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #42CC63

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

Preview Lab → · Contrast checker → · Palette generator →