#42CC39#42CC39

#42CC39 is a light, highly saturated green. Relative luminance 0.446; OKLCH L 74.3% C 0.219 H 142.2°. Best body text is #000000 at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#42CC39
RGB	rgb(66, 204, 57)
HSL	hsl(116, 59%, 51%)
HSV	hsv(116, 72%, 80%)
CMYK	cmyk(67.6%, 0%, 72.1%, 20%)
CIE-LAB	lab(72.65, -63.58, 59.17)
CIE-LCH	lch(72.65, 86.85, 137.06°)
OKLab	oklab(74.33% -0.1731 0.1342)
OKLCH	oklch(74.33% 0.219 142.2)
XYZ	xyz(24.5768, 44.6368, 11.1907)
Luminance	0.4464 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC39 #C339CC

analogous

#8BCC39 #42CC39 #39CC79

triadic

#42CC39 #3942CC #CC3942

tetradic

#42CC39 #398BCC #C339CC #CC7939

square

#42CC39 #398BCC #C339CC #CC7939

split-complementary

#42CC39 #7939CC #CC398B

monochromatic

#216E1C #309F29 #42CC39 #70D96A #9FE59A

Accessibility & contrast

On white

2.12

#42CC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.93

#42CC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC39

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC39	#FFFFFF	#000000	##000000
##42CC39	1.00	2.12	9.93	9.93
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.93	21.00	1.00	1.00
##000000	9.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B91F

Deuteranopia (green-blind)

#C1AE48

Tritanopia (blue-blind)

#20C6AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cc39;
/* rgb */ color: rgb(66, 204, 57);
/* oklch */ color: oklch(74.3% 0.219 142.2);

Tailwind

colors: {
  custom: {
    50: '#89dd78',
    500: '#42cc39',
    950: '#000000',
  },
}

SCSS

$custom: #42cc39;
$custom-light: #89dd78;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc39",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 116.327,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.7433,
    "c": 0.21901,
    "h": 142.2
  },
  "luminance": 0.44639
}

Semantic roles & 50–950 ramp

primary

#42CC39

secondary

#CD90D1

accent

#46E2D9

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #42CC39

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

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