#42EA4B#42EA4B

#42EA4B is a very light, highly saturated green. Relative luminance 0.605; OKLCH L 82.2% C 0.241 H 143.6°. Best body text is #000000 at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#42EA4B
RGB	rgb(66, 234, 75)
HSL	hsl(123, 80%, 59%)
HSV	hsv(123, 72%, 92%)
CMYK	cmyk(71.8%, 0%, 67.9%, 8.2%)
CIE-LAB	lab(82.11, -71.70, 62.32)
CIE-LCH	lch(82.11, 95.00, 139.00°)
OKLab	oklab(82.22% -0.1942 0.143)
OKLCH	oklch(82.22% 0.241 143.6)
XYZ	xyz(32.9375, 60.5082, 16.5986)
Luminance	0.6051 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42EA4B #EA42E1

analogous

#8DEA42 #42EA4B #42EA9F

triadic

#42EA4B #4B42EA #EA4B42

tetradic

#42EA4B #428DEA #EA42E1 #EA9F42

square

#42EA4B #428DEA #EA42E1 #EA9F42

split-complementary

#42EA4B #9F42EA #EA428D

monochromatic

#12A019 #18D722 #42EA4B #79F07F #B0F6B4

Accessibility & contrast

On white

1.60

#42EA4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.10

#42EA4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42EA4B

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42EA4B	#FFFFFF	#000000	##000000
##42EA4B	1.00	1.60	13.10	13.10
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.10	21.00	1.00	1.00
##000000	13.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD434

Deuteranopia (green-blind)

#DCC75A

Tritanopia (blue-blind)

#00E3CA

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #42ea4b;
/* rgb */ color: rgb(66, 234, 75);
/* oklch */ color: oklch(82.2% 0.241 143.6);

Tailwind

colors: {
  custom: {
    50: '#8ef285',
    500: '#42ea4b',
    950: '#000000',
  },
}

SCSS

$custom: #42ea4b;
$custom-light: #8ef285;
$custom-dark: #000000;

JSON

{
  "hex": "#42ea4b",
  "rgb": {
    "r": 66,
    "g": 234,
    "b": 75
  },
  "hsl": {
    "h": 123.214,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.82218,
    "c": 0.24119,
    "h": 143.6
  },
  "luminance": 0.60512
}

Semantic roles & 50–950 ramp

primary

#42EA4B

secondary

#A22E9C

accent

#31ECF6

background

#FCFFFC

surface

#F5FEF3

border

#CFD6CD

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #42EA4B

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

Preview Lab → · Contrast checker → · Palette generator →