#42ECFF#42ECFF

#42ECFF is a very light, vivid teal. Relative luminance 0.684; OKLCH L 86.7% C 0.135 H 206.3°. Best body text is #000000 at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#42ECFF
RGB	rgb(66, 236, 255)
HSL	hsl(186, 100%, 63%)
HSV	hsv(186, 74%, 100%)
CMYK	cmyk(74.1%, 7.5%, 0%, 0%)
CIE-LAB	lab(86.19, -36.07, -21.49)
CIE-LCH	lch(86.19, 41.99, 210.79°)
OKLab	oklab(86.7% -0.1212 -0.0598)
OKLCH	oklch(86.7% 0.135 206.3)
XYZ	xyz(50.2843, 68.3630, 105.1336)
Luminance	0.6837 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ECFF #FF5542

analogous

#42FFB4 #42ECFF #428DFF

triadic

#42ECFF #FF42EC #ECFF42

tetradic

#42ECFF #B442FF #FF5542 #8DFF42

square

#42ECFF #B442FF #FF5542 #8DFF42

split-complementary

#42ECFF #FF428D #FFB442

monochromatic

#00B3C7 #05E6FF #42ECFF #7FF2FF #BCF8FF

Accessibility & contrast

On white

1.43

#42ECFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.67

#42ECFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ECFF

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ECFF	#FFFFFF	#000000	##000000
##42ECFF	1.00	1.43	14.67	14.67
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.67	21.00	1.00	1.00
##000000	14.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8E3FF

Deuteranopia (green-blind)

#BECFFF

Tritanopia (blue-blind)

#00F6F2

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #42ecff;
/* rgb */ color: rgb(66, 236, 255);
/* oklch */ color: oklch(86.7% 0.135 206.3);

Tailwind

colors: {
  custom: {
    50: '#92f2ff',
    500: '#42ecff',
    950: '#000000',
  },
}

SCSS

$custom: #42ecff;
$custom-light: #92f2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#42ecff",
  "rgb": {
    "r": 66,
    "g": 236,
    "b": 255
  },
  "hsl": {
    "h": 186.032,
    "s": 100,
    "l": 62.941
  },
  "oklch": {
    "l": 0.86701,
    "c": 0.13511,
    "h": 206.3
  },
  "luminance": 0.68369
}

Semantic roles & 50–950 ramp

primary

#42ECFF

secondary

#C33322

accent

#1700E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #42ECFF

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

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