#42C539#42C539

#42C539 is a light, highly saturated green. Relative luminance 0.414; OKLCH L 72.5% C 0.211 H 142.2°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#42C539
RGB	rgb(66, 197, 57)
HSL	hsl(116, 55%, 50%)
HSV	hsv(116, 71%, 77%)
CMYK	cmyk(66.5%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(70.44, -61.25, 56.90)
CIE-LCH	lch(70.44, 83.60, 137.11°)
OKLab	oklab(72.5% -0.1668 0.1295)
OKLCH	oklch(72.5% 0.211 142.2)
XYZ	xyz(22.9503, 41.3838, 10.6485)
Luminance	0.4139 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C539 #BC39C5

analogous

#88C539 #42C539 #39C576

triadic

#42C539 #3942C5 #C53942

tetradic

#42C539 #3988C5 #BC39C5 #C57639

square

#42C539 #3988C5 #BC39C5 #C57639

split-complementary

#42C539 #7639C5 #C53988

monochromatic

#22661E #32962B #42C539 #6FD368 #9CE197

Accessibility & contrast

On white

2.26

#42C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#42C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C539

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C539	#FFFFFF	#000000	##000000
##42C539	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB322

Deuteranopia (green-blind)

#BAA847

Tritanopia (blue-blind)

#25BFA9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #42c539;
/* rgb */ color: rgb(66, 197, 57);
/* oklch */ color: oklch(72.5% 0.211 142.2);

Tailwind

colors: {
  custom: {
    50: '#87d877',
    500: '#42c539',
    950: '#000000',
  },
}

SCSS

$custom: #42c539;
$custom-light: #87d877;
$custom-dark: #000000;

JSON

{
  "hex": "#42c539",
  "rgb": {
    "r": 66,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 116.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.725,
    "c": 0.21111,
    "h": 142.2
  },
  "luminance": 0.41386
}

Semantic roles & 50–950 ramp

primary

#42C539

secondary

#C98DCD

accent

#49DED5

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #42C539

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

Preview Lab → · Contrast checker → · Palette generator →