#42C440#42C440

#42C440 is a light, highly saturated green. Relative luminance 0.410; OKLCH L 72.3% C 0.205 H 142.9°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#42C440
RGB	rgb(66, 196, 64)
HSL	hsl(119, 53%, 51%)
HSV	hsv(119, 67%, 77%)
CMYK	cmyk(66.3%, 0%, 67.3%, 23.1%)
CIE-LAB	lab(70.18, -60.29, 53.89)
CIE-LCH	lch(70.18, 80.87, 138.21°)
OKLab	oklab(72.3% -0.1638 0.124)
OKLCH	oklch(72.3% 0.205 142.9)
XYZ	xyz(22.9108, 41.0059, 11.5570)
Luminance	0.4101 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C440 #C240C4

analogous

#84C440 #42C440 #40C480

triadic

#42C440 #4042C4 #C44042

tetradic

#42C440 #4084C4 #C240C4 #C48040

square

#42C440 #4084C4 #C240C4 #C48040

split-complementary

#42C440 #8040C4 #C44084

monochromatic

#226920 #31982F #42C440 #70D26F #9FE19E

Accessibility & contrast

On white

2.28

#42C440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#42C440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C440

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C440	#FFFFFF	#000000	##000000
##42C440	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B22E

Deuteranopia (green-blind)

#B9A74C

Tritanopia (blue-blind)

#23BEA9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42c440;
/* rgb */ color: rgb(66, 196, 64);
/* oklch */ color: oklch(72.3% 0.205 142.9);

Tailwind

colors: {
  custom: {
    50: '#87d77b',
    500: '#42c440',
    950: '#000000',
  },
}

SCSS

$custom: #42c440;
$custom-light: #87d77b;
$custom-dark: #000000;

JSON

{
  "hex": "#42c440",
  "rgb": {
    "r": 66,
    "g": 196,
    "b": 64
  },
  "hsl": {
    "h": 119.091,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.72299,
    "c": 0.20545,
    "h": 142.9
  },
  "luminance": 0.41008
}

Semantic roles & 50–950 ramp

primary

#42C440

secondary

#CC93CD

accent

#4CDCDA

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #42C440

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

Preview Lab → · Contrast checker → · Palette generator →