#42C540#42C540

#42C540 is a light, highly saturated green. Relative luminance 0.415; OKLCH L 72.6% C 0.207 H 142.9°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#42C540
RGB	rgb(66, 197, 64)
HSL	hsl(119, 53%, 51%)
HSV	hsv(119, 68%, 77%)
CMYK	cmyk(66.5%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(70.50, -60.63, 54.23)
CIE-LCH	lch(70.50, 81.35, 138.19°)
OKLab	oklab(72.56% -0.1647 0.1247)
OKLCH	oklch(72.56% 0.207 142.9)
XYZ	xyz(23.1371, 41.4585, 11.6325)
Luminance	0.4146 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C540 #C340C5

analogous

#84C540 #42C540 #40C580

triadic

#42C540 #4042C5 #C54042

tetradic

#42C540 #4084C5 #C340C5 #C58040

square

#42C540 #4084C5 #C340C5 #C58040

split-complementary

#42C540 #8040C5 #C54084

monochromatic

#216A20 #30992F #42C540 #70D36F #9FE29E

Accessibility & contrast

On white

2.26

#42C540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#42C540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C540

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C540	#FFFFFF	#000000	##000000
##42C540	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B32E

Deuteranopia (green-blind)

#BAA84C

Tritanopia (blue-blind)

#22BFAA

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42c540;
/* rgb */ color: rgb(66, 197, 64);
/* oklch */ color: oklch(72.6% 0.207 142.9);

Tailwind

colors: {
  custom: {
    50: '#87d87b',
    500: '#42c540',
    950: '#000000',
  },
}

SCSS

$custom: #42c540;
$custom-light: #87d87b;
$custom-dark: #000000;

JSON

{
  "hex": "#42c540",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 119.098,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7256,
    "c": 0.20661,
    "h": 142.9
  },
  "luminance": 0.41461
}

Semantic roles & 50–950 ramp

primary

#42C540

secondary

#CD93CE

accent

#4BDDDB

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42C540

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

Preview Lab → · Contrast checker → · Palette generator →