#42EB4B#42EB4B

#42EB4B is a very light, highly saturated green. Relative luminance 0.611; OKLCH L 82.5% C 0.242 H 143.6°. Best body text is #000000 at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#42EB4B
RGB	rgb(66, 235, 75)
HSL	hsl(123, 81%, 59%)
HSV	hsv(123, 72%, 92%)
CMYK	cmyk(71.9%, 0%, 68.1%, 7.8%)
CIE-LAB	lab(82.42, -72.02, 62.65)
CIE-LCH	lch(82.42, 95.45, 138.98°)
OKLab	oklab(82.47% -0.1951 0.1436)
OKLCH	oklch(82.47% 0.242 143.6)
XYZ	xyz(33.2230, 61.0792, 16.6938)
Luminance	0.6108 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42EB4B #EB42E2

analogous

#8EEB42 #42EB4B #42EBA0

triadic

#42EB4B #4B42EB #EB4B42

tetradic

#42EB4B #428EEB #EB42E2 #EBA042

square

#42EB4B #428EEB #EB42E2 #EBA042

split-complementary

#42EB4B #A042EB #EB428E

monochromatic

#11A219 #17D921 #42EB4B #79F180 #B1F7B4

Accessibility & contrast

On white

1.59

#42EB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.22

#42EB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42EB4B

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42EB4B	#FFFFFF	#000000	##000000
##42EB4B	1.00	1.59	13.22	13.22
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.22	21.00	1.00	1.00
##000000	13.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D534

Deuteranopia (green-blind)

#DCC85A

Tritanopia (blue-blind)

#00E4CB

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #42eb4b;
/* rgb */ color: rgb(66, 235, 75);
/* oklch */ color: oklch(82.5% 0.242 143.6);

Tailwind

colors: {
  custom: {
    50: '#8ef385',
    500: '#42eb4b',
    950: '#000000',
  },
}

SCSS

$custom: #42eb4b;
$custom-light: #8ef385;
$custom-dark: #000000;

JSON

{
  "hex": "#42eb4b",
  "rgb": {
    "r": 66,
    "g": 235,
    "b": 75
  },
  "hsl": {
    "h": 123.195,
    "s": 80.861,
    "l": 59.02
  },
  "oklch": {
    "l": 0.82473,
    "c": 0.24227,
    "h": 143.6
  },
  "luminance": 0.61083
}

Semantic roles & 50–950 ramp

primary

#42EB4B

secondary

#A42D9E

accent

#31EDF7

background

#FCFFFC

surface

#F5FEF3

border

#CFD6CD

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #42EB4B

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

Preview Lab → · Contrast checker → · Palette generator →