#51F2FF#51F2FF

#51F2FF is a very light, vivid teal. Relative luminance 0.725; OKLCH L 88.4% C 0.131 H 202.9°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#51F2FF
RGB	rgb(81, 242, 255)
HSL	hsl(184, 100%, 66%)
HSV	hsv(184, 68%, 100%)
CMYK	cmyk(68.2%, 5.1%, 0%, 0%)
CIE-LAB	lab(88.19, -37.08, -18.43)
CIE-LCH	lch(88.19, 41.41, 206.43°)
OKLab	oklab(88.41% -0.1211 -0.0512)
OKLCH	oklch(88.41% 0.131 202.9)
XYZ	xyz(53.1876, 72.4674, 105.7728)
Luminance	0.7247 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F2FF #FF5E51

analogous

#51FFB5 #51F2FF #519BFF

triadic

#51F2FF #FF51F2 #F2FF51

tetradic

#51F2FF #B551FF #FF5E51 #9BFF51

square

#51F2FF #B551FF #FF5E51 #9BFF51

split-complementary

#51F2FF #FF519B #FFB551

monochromatic

#00C6D6 #14EDFF #51F2FF #8EF7FF #CBFBFF

Accessibility & contrast

On white

1.36

#51F2FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#51F2FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F2FF

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F2FF	#FFFFFF	#000000	##000000
##51F2FF	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0E8FF

Deuteranopia (green-blind)

#C6D5FF

Tritanopia (blue-blind)

#00FBF6

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #51f2ff;
/* rgb */ color: rgb(81, 242, 255);
/* oklch */ color: oklch(88.4% 0.131 202.9);

Tailwind

colors: {
  custom: {
    50: '#98f7ff',
    500: '#51f2ff',
    950: '#000000',
  },
}

SCSS

$custom: #51f2ff;
$custom-light: #98f7ff;
$custom-dark: #000000;

JSON

{
  "hex": "#51f2ff",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 255
  },
  "hsl": {
    "h": 184.483,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88405,
    "c": 0.13143,
    "h": 202.9
  },
  "luminance": 0.72474
}

Semantic roles & 50–950 ramp

primary

#51F2FF

secondary

#D03125

accent

#1100E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #51F2FF

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

Preview Lab → · Contrast checker → · Palette generator →