#42BB3A#42BB3A

#42BB3A is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.199 H 142.2°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#42BB3A
RGB	rgb(66, 187, 58)
HSL	hsl(116, 53%, 48%)
HSV	hsv(116, 69%, 73%)
CMYK	cmyk(64.7%, 0%, 69%, 26.7%)
CIE-LAB	lab(67.28, -57.75, 53.20)
CIE-LCH	lch(67.28, 78.52, 137.35°)
OKLab	oklab(69.88% -0.1572 0.1218)
OKLCH	oklch(69.88% 0.199 142.2)
XYZ	xyz(20.7797, 37.0023, 10.0492)
Luminance	0.3700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB3A #B33ABB

analogous

#82BB3A #42BB3A #3ABB72

triadic

#42BB3A #3A42BB #BB3A42

tetradic

#42BB3A #3A82BB #B33ABB #BB723A

square

#42BB3A #3A82BB #B33ABB #BB723A

split-complementary

#42BB3A #723ABB #BB3A82

monochromatic

#215E1D #328C2C #42BB3A #6ACF63 #97DD92

Accessibility & contrast

On white

2.50

#42BB3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#42BB3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB3A

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB3A	#FFFFFF	#000000	##000000
##42BB3A	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA27

Deuteranopia (green-blind)

#B1A046

Tritanopia (blue-blind)

#2AB5A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42bb3a;
/* rgb */ color: rgb(66, 187, 58);
/* oklch */ color: oklch(69.9% 0.199 142.2);

Tailwind

colors: {
  custom: {
    50: '#85d077',
    500: '#42bb3a',
    950: '#000000',
  },
}

SCSS

$custom: #42bb3a;
$custom-light: #85d077;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb3a",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 58
  },
  "hsl": {
    "h": 116.279,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69882,
    "c": 0.19891,
    "h": 142.2
  },
  "luminance": 0.37004
}

Semantic roles & 50–950 ramp

primary

#42BB3A

secondary

#C488C8

accent

#4CDCD3

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42BB3A

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

Preview Lab → · Contrast checker → · Palette generator →