#42EFEE#42EFEE

#42EFEE is a very light, vivid teal. Relative luminance 0.691; OKLCH L 86.8% C 0.135 H 194.4°. Best body text is #000000 at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#42EFEE
RGB	rgb(66, 239, 238)
HSL	hsl(180, 84%, 60%)
HSV	hsv(180, 72%, 94%)
CMYK	cmyk(72.4%, 0%, 0.4%, 6.3%)
CIE-LAB	lab(86.53, -42.30, -12.05)
CIE-LCH	lch(86.53, 43.98, 195.90°)
OKLab	oklab(86.81% -0.1309 -0.0335)
OKLCH	oklch(86.81% 0.135 194.4)
XYZ	xyz(48.5388, 69.0584, 91.6438)
Luminance	0.6906 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42EFEE #EF4243

analogous

#42EF97 #42EFEE #429AEF

triadic

#42EFEE #EE42EF #EFEE42

tetradic

#42EFEE #9742EF #EF4243 #9AEF42

square

#42EFEE #9742EF #EF4243 #9AEF42

split-complementary

#42EFEE #EF429A #EF9742

monochromatic

#0EA8A7 #13E1E0 #42EFEE #7AF4F3 #B3F9F8

Accessibility & contrast

On white

1.42

#42EFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.81

#42EFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42EFEE

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42EFEE	#FFFFFF	#000000	##000000
##42EFEE	1.00	1.42	14.81	14.81
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.81	21.00	1.00	1.00
##000000	14.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E3EE

Deuteranopia (green-blind)

#C7D1EF

Tritanopia (blue-blind)

#00F6EE

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #42efee;
/* rgb */ color: rgb(66, 239, 238);
/* oklch */ color: oklch(86.8% 0.135 194.4);

Tailwind

colors: {
  custom: {
    50: '#91f5f3',
    500: '#42efee',
    950: '#000000',
  },
}

SCSS

$custom: #42efee;
$custom-light: #91f5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#42efee",
  "rgb": {
    "r": 66,
    "g": 239,
    "b": 238
  },
  "hsl": {
    "h": 179.653,
    "s": 84.39,
    "l": 59.804
  },
  "oklch": {
    "l": 0.86808,
    "c": 0.13516,
    "h": 194.4
  },
  "luminance": 0.69064
}

Semantic roles & 50–950 ramp

primary

#42EFEE

secondary

#AA2C2C

accent

#2D2EFB

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1717

muted

#808585

Preview Lab

Preview with #42EFEE

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

Preview Lab → · Contrast checker → · Palette generator →