#42BB3F#42BB3F

#42BB3F is a light, vivid green. Relative luminance 0.371; OKLCH L 69.9% C 0.196 H 142.8°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#42BB3F
RGB	rgb(66, 187, 63)
HSL	hsl(119, 50%, 49%)
HSV	hsv(119, 66%, 73%)
CMYK	cmyk(64.7%, 0%, 66.3%, 26.7%)
CIE-LAB	lab(67.32, -57.28, 51.21)
CIE-LCH	lch(67.32, 76.83, 138.20°)
OKLab	oklab(69.93% -0.1557 0.1182)
OKLCH	oklch(69.93% 0.196 142.8)
XYZ	xyz(20.9131, 37.0557, 10.7520)
Luminance	0.3706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB3F #B83FBB

analogous

#80BB3F #42BB3F #3FBB7A

triadic

#42BB3F #3F42BB #BB3F42

tetradic

#42BB3F #3F80BB #B83FBB #BB7A3F

square

#42BB3F #3F80BB #B83FBB #BB7A3F

split-complementary

#42BB3F #7A3FBB #BB3F80

monochromatic

#225F20 #328D30 #42BB3F #6DCD6A #9ADC98

Accessibility & contrast

On white

2.50

#42BB3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#42BB3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB3F

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB3F	#FFFFFF	#000000	##000000
##42BB3F	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA2F

Deuteranopia (green-blind)

#B0A04A

Tritanopia (blue-blind)

#28B6A2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42bb3f;
/* rgb */ color: rgb(66, 187, 63);
/* oklch */ color: oklch(69.9% 0.196 142.8);

Tailwind

colors: {
  custom: {
    50: '#85d07a',
    500: '#42bb3f',
    950: '#000000',
  },
}

SCSS

$custom: #42bb3f;
$custom-light: #85d07a;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb3f",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 63
  },
  "hsl": {
    "h": 118.548,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.69928,
    "c": 0.1955,
    "h": 142.8
  },
  "luminance": 0.37058
}

Semantic roles & 50–950 ramp

primary

#42BB3F

secondary

#C78EC8

accent

#4FD9D6

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42BB3F

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

Preview Lab → · Contrast checker → · Palette generator →