#42CC40#42CC40

#42CC40 is a light, highly saturated green. Relative luminance 0.447; OKLCH L 74.4% C 0.215 H 142.9°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#42CC40
RGB	rgb(66, 204, 64)
HSL	hsl(119, 58%, 53%)
HSV	hsv(119, 69%, 80%)
CMYK	cmyk(67.6%, 0%, 68.6%, 20%)
CIE-LAB	lab(72.70, -62.99, 56.58)
CIE-LCH	lch(72.70, 84.67, 138.07°)
OKLab	oklab(74.39% -0.1711 0.1296)
OKLCH	oklch(74.39% 0.215 142.9)
XYZ	xyz(24.7636, 44.7115, 12.1746)
Luminance	0.4471 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC40 #CA40CC

analogous

#88CC40 #42CC40 #40CC84

triadic

#42CC40 #4042CC #CC4042

tetradic

#42CC40 #4088CC #CA40CC #CC8440

square

#42CC40 #4088CC #CA40CC #CC8440

split-complementary

#42CC40 #8440CC #CC4088

monochromatic

#20731F #2DA32C #42CC40 #72D970 #A2E6A1

Accessibility & contrast

On white

2.11

#42CC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#42CC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC40

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC40	#FFFFFF	#000000	##000000
##42CC40	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)

#D0B92C

Deuteranopia (green-blind)

#C0AE4D

Tritanopia (blue-blind)

#1EC6B0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cc40;
/* rgb */ color: rgb(66, 204, 64);
/* oklch */ color: oklch(74.4% 0.215 142.9);

Tailwind

colors: {
  custom: {
    50: '#88dd7c',
    500: '#42cc40',
    950: '#000000',
  },
}

SCSS

$custom: #42cc40;
$custom-light: #88dd7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc40",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 64
  },
  "hsl": {
    "h": 119.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74387,
    "c": 0.21469,
    "h": 142.9
  },
  "luminance": 0.44714
}

Semantic roles & 50–950 ramp

primary

#42CC40

secondary

#D195D2

accent

#47E1DF

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CC40

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

Preview Lab → · Contrast checker → · Palette generator →