#42E399#42E399

#42E399 is a light, vivid teal. Relative luminance 0.584; OKLCH L 81.6% C 0.169 H 158.5°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#42E399
RGB	rgb(66, 227, 153)
HSL	hsl(152, 74%, 57%)
HSV	hsv(152, 71%, 89%)
CMYK	cmyk(70.9%, 0%, 32.6%, 11%)
CIE-LAB	lab(80.96, -57.96, 24.49)
CIE-LCH	lch(80.96, 62.92, 157.10°)
OKLab	oklab(81.58% -0.1574 0.0619)
OKLCH	oklch(81.58% 0.169 158.5)
XYZ	xyz(35.4621, 58.3923, 39.5327)
Luminance	0.5840 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E399 #E3428C

analogous

#42E348 #42E399 #42DDE3

triadic

#42E399 #9942E3 #E39942

tetradic

#42E399 #4842E3 #E3428C #DDE342

square

#42E399 #4842E3 #E3428C #DDE342

split-complementary

#42E399 #E342DD #E34842

monochromatic

#16955A #1ECA7B #42E399 #77EBB6 #ADF3D3

Accessibility & contrast

On white

1.66

#42E399 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.68

#42E399 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E399

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E399	#FFFFFF	#000000	##000000
##42E399	1.00	1.66	12.68	12.68
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.68	21.00	1.00	1.00
##000000	12.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1D294

Deuteranopia (green-blind)

#CDC39E

Tritanopia (blue-blind)

#00E2D0

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #42e399;
/* rgb */ color: rgb(66, 227, 153);
/* oklch */ color: oklch(81.6% 0.169 158.5);

Tailwind

colors: {
  custom: {
    50: '#8bedb7',
    500: '#42e399',
    950: '#000000',
  },
}

SCSS

$custom: #42e399;
$custom-light: #8bedb7;
$custom-dark: #000000;

JSON

{
  "hex": "#42e399",
  "rgb": {
    "r": 66,
    "g": 227,
    "b": 153
  },
  "hsl": {
    "h": 152.422,
    "s": 74.194,
    "l": 57.451
  },
  "oklch": {
    "l": 0.81581,
    "c": 0.1691,
    "h": 158.5
  },
  "luminance": 0.58396
}

Semantic roles & 50–950 ramp

primary

#42E399

secondary

#993060

accent

#378CF1

background

#FCFFFD

surface

#F4FEF8

border

#CED6D1

text

#0D1611

muted

#7F8581

Preview Lab

Preview with #42E399

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

Preview Lab → · Contrast checker → · Palette generator →