#55EFFF#55EFFF

#55EFFF is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.8% C 0.129 H 205.0°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#55EFFF
RGB	rgb(85, 239, 255)
HSL	hsl(186, 100%, 67%)
HSV	hsv(186, 67%, 100%)
CMYK	cmyk(66.7%, 6.3%, 0%, 0%)
CIE-LAB	lab(87.43, -35.15, -19.58)
CIE-LCH	lch(87.43, 40.24, 209.12°)
OKLab	oklab(87.81% -0.1164 -0.0543)
OKLCH	oklch(87.81% 0.129 205)
XYZ	xyz(52.6550, 70.8783, 105.4942)
Luminance	0.7088 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55EFFF #FF6555

analogous

#55FFBA #55EFFF #559AFF

triadic

#55EFFF #FF55EF #EFFF55

tetradic

#55EFFF #BA55FF #FF6555 #9AFF55

square

#55EFFF #BA55FF #FF6555 #9AFF55

split-complementary

#55EFFF #FF559A #FFBA55

monochromatic

#00C5DA #18E9FF #55EFFF #92F5FF #CFFBFF

Accessibility & contrast

On white

1.38

#55EFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.18

#55EFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55EFFF

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55EFFF	#FFFFFF	#000000	##000000
##55EFFF	1.00	1.38	15.18	15.18
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.18	21.00	1.00	1.00
##000000	15.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE6FF

Deuteranopia (green-blind)

#C3D3FF

Tritanopia (blue-blind)

#00F9F4

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #55efff;
/* rgb */ color: rgb(85, 239, 255);
/* oklch */ color: oklch(87.8% 0.129 205.0);

Tailwind

colors: {
  custom: {
    50: '#99f4ff',
    500: '#55efff',
    950: '#000000',
  },
}

SCSS

$custom: #55efff;
$custom-light: #99f4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#55efff",
  "rgb": {
    "r": 85,
    "g": 239,
    "b": 255
  },
  "hsl": {
    "h": 185.647,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.87811,
    "c": 0.1285,
    "h": 205
  },
  "luminance": 0.70884
}

Semantic roles & 50–950 ramp

primary

#55EFFF

secondary

#D33625

accent

#1600E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #55EFFF

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

Preview Lab → · Contrast checker → · Palette generator →