#42E3E9#42E3E9

#42E3E9 is a very light, vivid teal. Relative luminance 0.620; OKLCH L 83.8% C 0.128 H 198.7°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#42E3E9
RGB	rgb(66, 227, 233)
HSL	hsl(182, 79%, 59%)
HSV	hsv(182, 72%, 91%)
CMYK	cmyk(71.7%, 2.6%, 0%, 8.6%)
CIE-LAB	lab(82.90, -38.28, -14.85)
CIE-LCH	lch(82.90, 41.06, 201.21°)
OKLab	oklab(83.81% -0.1217 -0.0412)
OKLCH	oklch(83.81% 0.128 198.7)
XYZ	xyz(44.4172, 61.9743, 86.6963)
Luminance	0.6198 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E3E9 #E94842

analogous

#42E99B #42E3E9 #428FE9

triadic

#42E3E9 #E942E3 #E3E942

tetradic

#42E3E9 #9B42E9 #E94842 #8FE942

square

#42E3E9 #9B42E9 #E94842 #8FE942

split-complementary

#42E3E9 #E9428F #E99B42

monochromatic

#12999E #19CED5 #42E3E9 #79EBEF #B0F3F6

Accessibility & contrast

On white

1.57

#42E3E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.40

#42E3E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E3E9

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E3E9	#FFFFFF	#000000	##000000
##42E3E9	1.00	1.57	13.40	13.40
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.40	21.00	1.00	1.00
##000000	13.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3D9EA

Deuteranopia (green-blind)

#BBC7EA

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #42e3e9;
/* rgb */ color: rgb(66, 227, 233);
/* oklch */ color: oklch(83.8% 0.128 198.7);

Tailwind

colors: {
  custom: {
    50: '#8fecf0',
    500: '#42e3e9',
    950: '#000000',
  },
}

SCSS

$custom: #42e3e9;
$custom-light: #8fecf0;
$custom-dark: #000000;

JSON

{
  "hex": "#42e3e9",
  "rgb": {
    "r": 66,
    "g": 227,
    "b": 233
  },
  "hsl": {
    "h": 182.156,
    "s": 79.147,
    "l": 58.627
  },
  "oklch": {
    "l": 0.83811,
    "c": 0.12846,
    "h": 198.7
  },
  "luminance": 0.6198
}

Semantic roles & 50–950 ramp

primary

#42E3E9

secondary

#A1322E

accent

#3932F6

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0E1616

muted

#7F8585

Preview Lab

Preview with #42E3E9

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

Preview Lab → · Contrast checker → · Palette generator →