#42E0B9#42E0B9

#42E0B9 is a light, vivid teal. Relative luminance 0.580; OKLCH L 81.6% C 0.141 H 172.4°. Best body text is #000000 at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#42E0B9
RGB	rgb(66, 224, 185)
HSL	hsl(165, 72%, 57%)
HSV	hsv(165, 71%, 88%)
CMYK	cmyk(70.5%, 0%, 17.4%, 12.2%)
CIE-LAB	lab(80.72, -49.68, 7.39)
CIE-LCH	lch(80.72, 50.22, 171.54°)
OKLab	oklab(81.61% -0.1398 0.0188)
OKLCH	oklch(81.61% 0.141 172.4)
XYZ	xyz(37.6549, 57.9680, 55.0940)
Luminance	0.5797 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E0B9 #E04269

analogous

#42E06A #42E0B9 #42B8E0

triadic

#42E0B9 #B942E0 #E0B942

tetradic

#42E0B9 #6A42E0 #E04269 #B8E042

square

#42E0B9 #6A42E0 #E04269 #B8E042

split-complementary

#42E0B9 #E042B8 #E06A42

monochromatic

#189072 #20C59C #42E0B9 #77E9CC #ABF1E0

Accessibility & contrast

On white

1.67

#42E0B9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.59

#42E0B9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E0B9

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E0B9	#FFFFFF	#000000	##000000
##42E0B9	1.00	1.67	12.59	12.59
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.59	21.00	1.00	1.00
##000000	12.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9D1B7

Deuteranopia (green-blind)

#C4C2BC

Tritanopia (blue-blind)

#00E2D5

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #42e0b9;
/* rgb */ color: rgb(66, 224, 185);
/* oklch */ color: oklch(81.6% 0.141 172.4);

Tailwind

colors: {
  custom: {
    50: '#8beace',
    500: '#42e0b9',
    950: '#000000',
  },
}

SCSS

$custom: #42e0b9;
$custom-light: #8beace;
$custom-dark: #000000;

JSON

{
  "hex": "#42e0b9",
  "rgb": {
    "r": 66,
    "g": 224,
    "b": 185
  },
  "hsl": {
    "h": 165.19,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.81608,
    "c": 0.14105,
    "h": 172.4
  },
  "luminance": 0.57972
}

Semantic roles & 50–950 ramp

primary

#42E0B9

secondary

#95314A

accent

#3966EF

background

#FCFEFE

surface

#F5FDFA

border

#CFD5D3

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #42E0B9

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

Preview Lab → · Contrast checker → · Palette generator →