#42ECC5#42ECC5

#42ECC5 is a very light, vivid teal. Relative luminance 0.652; OKLCH L 84.9% C 0.147 H 173.5°. Best body text is #000000 at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#42ECC5
RGB	rgb(66, 236, 197)
HSL	hsl(166, 82%, 59%)
HSV	hsv(166, 72%, 93%)
CMYK	cmyk(72%, 0%, 16.5%, 7.5%)
CIE-LAB	lab(84.57, -51.72, 6.60)
CIE-LCH	lch(84.57, 52.14, 172.72°)
OKLab	oklab(84.85% -0.146 0.0167)
OKLCH	oklch(84.85% 0.147 173.5)
XYZ	xyz(42.3151, 65.1754, 63.1625)
Luminance	0.6518 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ECC5 #EC4269

analogous

#42EC70 #42ECC5 #42BEEC

triadic

#42ECC5 #C542EC #ECC542

tetradic

#42ECC5 #7042EC #EC4269 #BEEC42

square

#42ECC5 #7042EC #EC4269 #BEEC42

split-complementary

#42ECC5 #EC42BE #EC7042

monochromatic

#10A382 #16DBAE #42ECC5 #7AF2D6 #B1F7E7

Accessibility & contrast

On white

1.50

#42ECC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.04

#42ECC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ECC5

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ECC5	#FFFFFF	#000000	##000000
##42ECC5	1.00	1.50	14.04	14.04
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.04	21.00	1.00	1.00
##000000	14.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4DDC3

Deuteranopia (green-blind)

#CECCC8

Tritanopia (blue-blind)

#00EEE1

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #42ecc5;
/* rgb */ color: rgb(66, 236, 197);
/* oklch */ color: oklch(84.9% 0.147 173.5);

Tailwind

colors: {
  custom: {
    50: '#8ef3d6',
    500: '#42ecc5',
    950: '#000000',
  },
}

SCSS

$custom: #42ecc5;
$custom-light: #8ef3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#42ecc5",
  "rgb": {
    "r": 66,
    "g": 236,
    "b": 197
  },
  "hsl": {
    "h": 166.235,
    "s": 81.731,
    "l": 59.216
  },
  "oklch": {
    "l": 0.84854,
    "c": 0.14697,
    "h": 173.5
  },
  "luminance": 0.6518
}

Semantic roles & 50–950 ramp

primary

#42ECC5

secondary

#A52D49

accent

#305EF8

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1714

muted

#7F8583

Preview Lab

Preview with #42ECC5

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

Preview Lab → · Contrast checker → · Palette generator →