#42E259#42E259

#42E259 is a light, highly saturated green. Relative luminance 0.563; OKLCH L 80.3% C 0.222 H 145.3°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#42E259
RGB	rgb(66, 226, 89)
HSL	hsl(129, 73%, 57%)
HSV	hsv(129, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 60.6%, 11.4%)
CIE-LAB	lab(79.77, -67.71, 54.02)
CIE-LCH	lch(79.77, 86.62, 141.42°)
OKLab	oklab(80.31% -0.1828 0.1268)
OKLCH	oklch(80.31% 0.222 145.3)
XYZ	xyz(31.2442, 56.2687, 18.6636)
Luminance	0.5627 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E259 #E242CB

analogous

#7BE242 #42E259 #42E2A9

triadic

#42E259 #5942E2 #E25942

tetradic

#42E259 #427BE2 #E242CB #E2A942

square

#42E259 #427BE2 #E242CB #E2A942

split-complementary

#42E259 #A942E2 #E2427B

monochromatic

#179328 #1FC837 #42E259 #77EA88 #ACF2B6

Accessibility & contrast

On white

1.71

#42E259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#42E259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E259

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E259	#FFFFFF	#000000	##000000
##42E259	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CE4A

Deuteranopia (green-blind)

#D3C165

Tritanopia (blue-blind)

#00DCC5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #42e259;
/* rgb */ color: rgb(66, 226, 89);
/* oklch */ color: oklch(80.3% 0.222 145.3);

Tailwind

colors: {
  custom: {
    50: '#8cec8c',
    500: '#42e259',
    950: '#000000',
  },
}

SCSS

$custom: #42e259;
$custom-light: #8cec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#42e259",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 89
  },
  "hsl": {
    "h": 128.625,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.8031,
    "c": 0.22248,
    "h": 145.3
  },
  "luminance": 0.56272
}

Semantic roles & 50–950 ramp

primary

#42E259

secondary

#983189

accent

#38D6F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #42E259

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

Preview Lab → · Contrast checker → · Palette generator →