#42CA3B#42CA3B

#42CA3B is a light, highly saturated green. Relative luminance 0.437; OKLCH L 73.8% C 0.216 H 142.4°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#42CA3B
RGB	rgb(66, 202, 59)
HSL	hsl(117, 57%, 51%)
HSV	hsv(117, 71%, 79%)
CMYK	cmyk(67.3%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(72.04, -62.76, 57.80)
CIE-LCH	lch(72.04, 85.31, 137.36°)
OKLab	oklab(73.82% -0.1707 0.1316)
OKLCH	oklch(73.82% 0.216 142.4)
XYZ	xyz(24.1553, 43.7125, 11.3012)
Luminance	0.4371 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA3B #C33BCA

analogous

#89CA3B #42CA3B #3BCA7B

triadic

#42CA3B #3B42CA #CA3B42

tetradic

#42CA3B #3B89CA #C33BCA #CA7B3B

square

#42CA3B #3B89CA #C33BCA #CA7B3B

split-complementary

#42CA3B #7B3BCA #CA3B89

monochromatic

#216D1E #309D2B #42CA3B #70D76B #9FE49B

Accessibility & contrast

On white

2.16

#42CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#42CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA3B

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA3B	#FFFFFF	#000000	##000000
##42CA3B	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB724

Deuteranopia (green-blind)

#BFAC49

Tritanopia (blue-blind)

#21C4AE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42ca3b;
/* rgb */ color: rgb(66, 202, 59);
/* oklch */ color: oklch(73.8% 0.216 142.4);

Tailwind

colors: {
  custom: {
    50: '#88db79',
    500: '#42ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #42ca3b;
$custom-light: #88db79;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca3b",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 117.063,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73824,
    "c": 0.21556,
    "h": 142.4
  },
  "luminance": 0.43715
}

Semantic roles & 50–950 ramp

primary

#42CA3B

secondary

#CD91D0

accent

#47E1D9

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CA3B

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

Preview Lab → · Contrast checker → · Palette generator →