#42DD3B#42DD3B

#42DD3B is a light, highly saturated green. Relative luminance 0.532; OKLCH L 78.8% C 0.237 H 142.4°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#42DD3B
RGB	rgb(66, 221, 59)
HSL	hsl(117, 70%, 55%)
HSV	hsv(117, 73%, 87%)
CMYK	cmyk(70.1%, 0%, 73.3%, 13.3%)
CIE-LAB	lab(77.98, -68.92, 63.86)
CIE-LCH	lch(77.98, 93.96, 137.18°)
OKLab	oklab(78.76% -0.1874 0.1443)
OKLCH	oklch(78.76% 0.237 142.4)
XYZ	xyz(28.8909, 53.1838, 12.8797)
Luminance	0.5319 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DD3B #D63BDD

analogous

#93DD3B #42DD3B #3BDD85

triadic

#42DD3B #3B42DD #DD3B42

tetradic

#42DD3B #3B93DD #D63BDD #DD853B

square

#42DD3B #3B93DD #D63BDD #DD853B

split-complementary

#42DD3B #853BDD #DD3B93

monochromatic

#1C8617 #27BA20 #42DD3B #74E66F #A7EFA3

Accessibility & contrast

On white

1.80

#42DD3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#42DD3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD3B

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DD3B	#FFFFFF	#000000	##000000
##42DD3B	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C81B

Deuteranopia (green-blind)

#D0BC4C

Tritanopia (blue-blind)

#10D6BE

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #42dd3b;
/* rgb */ color: rgb(66, 221, 59);
/* oklch */ color: oklch(78.8% 0.237 142.4);

Tailwind

colors: {
  custom: {
    50: '#8ce97b',
    500: '#42dd3b',
    950: '#000000',
  },
}

SCSS

$custom: #42dd3b;
$custom-light: #8ce97b;
$custom-dark: #000000;

JSON

{
  "hex": "#42dd3b",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 59
  },
  "hsl": {
    "h": 117.407,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.78756,
    "c": 0.23652,
    "h": 142.4
  },
  "luminance": 0.53187
}

Semantic roles & 50–950 ramp

primary

#42DD3B

secondary

#88308C

accent

#3BEDE5

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160A

muted

#7F847D

Preview Lab

Preview with #42DD3B

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

Preview Lab → · Contrast checker → · Palette generator →