#42D599#42D599

#42D599 is a light, vivid teal. Relative luminance 0.510; OKLCH L 78.1% C 0.151 H 161.7°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#42D599
RGB	rgb(66, 213, 153)
HSL	hsl(156, 64%, 55%)
HSV	hsv(156, 69%, 84%)
CMYK	cmyk(69%, 0%, 28.2%, 16.5%)
CIE-LAB	lab(76.71, -52.53, 18.65)
CIE-LCH	lch(76.71, 55.74, 160.46°)
OKLab	oklab(78.09% -0.1437 0.0475)
OKLCH	oklch(78.09% 0.151 161.7)
XYZ	xyz(31.7875, 51.0431, 38.3078)
Luminance	0.5105 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D599 #D5427E

analogous

#42D550 #42D599 #42C8D5

triadic

#42D599 #9942D5 #D59942

tetradic

#42D599 #5042D5 #D5427E #C8D542

square

#42D599 #5042D5 #D5427E #C8D542

split-complementary

#42D599 #D542C8 #D55042

monochromatic

#1C8057 #28B27A #42D599 #74E0B4 #A6EBCF

Accessibility & contrast

On white

1.87

#42D599 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#42D599 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D599

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D599	#FFFFFF	#000000	##000000
##42D599	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2C596

Deuteranopia (green-blind)

#BFB89D

Tritanopia (blue-blind)

#00D5C5

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #42d599;
/* rgb */ color: rgb(66, 213, 153);
/* oklch */ color: oklch(78.1% 0.151 161.7);

Tailwind

colors: {
  custom: {
    50: '#88e3b7',
    500: '#42d599',
    950: '#000000',
  },
}

SCSS

$custom: #42d599;
$custom-light: #88e3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d599",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 153
  },
  "hsl": {
    "h": 155.51,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.78087,
    "c": 0.1513,
    "h": 161.7
  },
  "luminance": 0.51047
}

Semantic roles & 50–950 ramp

primary

#42D599

secondary

#873456

accent

#4185E7

background

#FCFEFD

surface

#F4FCF8

border

#CED5D1

text

#0D1511

muted

#7F8481

Preview Lab

Preview with #42D599

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

Preview Lab → · Contrast checker → · Palette generator →