#42BB3C#42BB3C

#42BB3C is a light, vivid green. Relative luminance 0.370; OKLCH L 69.9% C 0.198 H 142.4°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#42BB3C
RGB	rgb(66, 187, 60)
HSL	hsl(117, 51%, 48%)
HSV	hsv(117, 68%, 73%)
CMYK	cmyk(64.7%, 0%, 67.9%, 26.7%)
CIE-LAB	lab(67.29, -57.57, 52.42)
CIE-LCH	lch(67.29, 77.85, 137.68°)
OKLab	oklab(69.9% -0.1566 0.1204)
OKLCH	oklch(69.9% 0.198 142.4)
XYZ	xyz(20.8315, 37.0231, 10.3224)
Luminance	0.3703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB3C #B53CBB

analogous

#81BB3C #42BB3C #3CBB75

triadic

#42BB3C #3C42BB #BB3C42

tetradic

#42BB3C #3C81BB #B53CBB #BB753C

square

#42BB3C #3C81BB #B53CBB #BB753C

split-complementary

#42BB3C #753CBB #BB3C81

monochromatic

#215E1E #328D2D #42BB3C #6BCE66 #98DD95

Accessibility & contrast

On white

2.50

#42BB3C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#42BB3C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB3C

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB3C	#FFFFFF	#000000	##000000
##42BB3C	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)

#BFAA2A

Deuteranopia (green-blind)

#B1A048

Tritanopia (blue-blind)

#29B6A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42bb3c;
/* rgb */ color: rgb(66, 187, 60);
/* oklch */ color: oklch(69.9% 0.198 142.4);

Tailwind

colors: {
  custom: {
    50: '#85d078',
    500: '#42bb3c',
    950: '#000000',
  },
}

SCSS

$custom: #42bb3c;
$custom-light: #85d078;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb3c",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 60
  },
  "hsl": {
    "h": 117.165,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.699,
    "c": 0.19758,
    "h": 142.4
  },
  "luminance": 0.37025
}

Semantic roles & 50–950 ramp

primary

#42BB3C

secondary

#C58BC8

accent

#4DDBD4

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42BB3C

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

Preview Lab → · Contrast checker → · Palette generator →