#42CE3B#42CE3B

#42CE3B is a light, highly saturated green. Relative luminance 0.456; OKLCH L 74.9% C 0.220 H 142.4°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#42CE3B
RGB	rgb(66, 206, 59)
HSL	hsl(117, 60%, 52%)
HSV	hsv(117, 71%, 81%)
CMYK	cmyk(68%, 0%, 71.4%, 19.2%)
CIE-LAB	lab(73.29, -64.08, 59.09)
CIE-LCH	lch(73.29, 87.17, 137.32°)
OKLab	oklab(74.87% -0.1743 0.1343)
OKLCH	oklch(74.87% 0.22 142.4)
XYZ	xyz(25.1060, 45.6140, 11.6181)
Luminance	0.4562 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CE3B #C73BCE

analogous

#8CCE3B #42CE3B #3BCE7E

triadic

#42CE3B #3B42CE #CE3B42

tetradic

#42CE3B #3B8CCE #C73BCE #CE7E3B

square

#42CE3B #3B8CCE #C73BCE #CE7E3B

split-complementary

#42CE3B #7E3BCE #CE3B8C

monochromatic

#21721D #2FA329 #42CE3B #71DA6C #A0E69D

Accessibility & contrast

On white

2.07

#42CE3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#42CE3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CE3B

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CE3B	#FFFFFF	#000000	##000000
##42CE3B	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB22

Deuteranopia (green-blind)

#C2B04A

Tritanopia (blue-blind)

#1EC8B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42ce3b;
/* rgb */ color: rgb(66, 206, 59);
/* oklch */ color: oklch(74.9% 0.220 142.4);

Tailwind

colors: {
  custom: {
    50: '#89de79',
    500: '#42ce3b',
    950: '#000000',
  },
}

SCSS

$custom: #42ce3b;
$custom-light: #89de79;
$custom-dark: #000000;

JSON

{
  "hex": "#42ce3b",
  "rgb": {
    "r": 66,
    "g": 206,
    "b": 59
  },
  "hsl": {
    "h": 117.143,
    "s": 60,
    "l": 51.961
  },
  "oklch": {
    "l": 0.74867,
    "c": 0.22006,
    "h": 142.4
  },
  "luminance": 0.45617
}

Semantic roles & 50–950 ramp

primary

#42CE3B

secondary

#D092D3

accent

#45E3DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CE3B

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

Preview Lab → · Contrast checker → · Palette generator →