#42BB37#42BB37

#42BB37 is a light, highly saturated green. Relative luminance 0.370; OKLCH L 69.9% C 0.201 H 141.9°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#42BB37
RGB	rgb(66, 187, 55)
HSL	hsl(115, 55%, 47%)
HSV	hsv(115, 71%, 73%)
CMYK	cmyk(64.7%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(67.26, -58.01, 54.35)
CIE-LCH	lch(67.26, 79.49, 136.87°)
OKLab	oklab(69.86% -0.1581 0.1239)
OKLCH	oklch(69.86% 0.201 141.9)
XYZ	xyz(20.7056, 36.9727, 9.6590)
Luminance	0.3698 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BB37 #B037BB

analogous

#84BB37 #42BB37 #37BB6E

triadic

#42BB37 #3742BB #BB3742

tetradic

#42BB37 #3784BB #B037BB #BB6E37

square

#42BB37 #3784BB #B037BB #BB6E37

split-complementary

#42BB37 #6E37BB #BB3784

monochromatic

#215C1B #318C29 #42BB37 #69D05F #95DE8E

Accessibility & contrast

On white

2.50

#42BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#42BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BB37

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BB37	#FFFFFF	#000000	##000000
##42BB37	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)

#BFAA22

Deuteranopia (green-blind)

#B1A044

Tritanopia (blue-blind)

#2AB5A1

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42bb37;
/* rgb */ color: rgb(66, 187, 55);
/* oklch */ color: oklch(69.9% 0.201 141.9);

Tailwind

colors: {
  custom: {
    50: '#86d075',
    500: '#42bb37',
    950: '#000000',
  },
}

SCSS

$custom: #42bb37;
$custom-light: #86d075;
$custom-dark: #000000;

JSON

{
  "hex": "#42bb37",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 115,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69856,
    "c": 0.20085,
    "h": 141.9
  },
  "luminance": 0.36975
}

Semantic roles & 50–950 ramp

primary

#42BB37

secondary

#C385C9

accent

#4ADED2

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42BB37

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

Preview Lab → · Contrast checker → · Palette generator →