#51E7FC#51E7FC

#51E7FC is a very light, vivid teal. Relative luminance 0.659; OKLCH L 85.8% C 0.127 H 208.4°. Best body text is #000000 at 14.19:1 contrast (WCAG AA passes).

Color values

HEX	#51E7FC
RGB	rgb(81, 231, 252)
HSL	hsl(187, 97%, 65%)
HSV	hsv(187, 68%, 99%)
CMYK	cmyk(67.9%, 8.3%, 0%, 1.2%)
CIE-LAB	lab(84.96, -32.80, -21.75)
CIE-LCH	lch(84.96, 39.35, 213.55°)
OKLab	oklab(85.76% -0.1117 -0.0604)
OKLCH	oklch(85.76% 0.127 208.4)
XYZ	xyz(49.5324, 65.9238, 102.1907)
Luminance	0.6593 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E7FC #FC6651

analogous

#51FCBB #51E7FC #5192FC

triadic

#51E7FC #FC51E7 #E7FC51

tetradic

#51E7FC #BB51FC #FC6651 #92FC51

square

#51E7FC #BB51FC #FC6651 #92FC51

split-complementary

#51E7FC #FC5192 #FCBB51

monochromatic

#04B6CF #15DFFB #51E7FC #8DEFFD #C9F8FE

Accessibility & contrast

On white

1.48

#51E7FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.19

#51E7FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E7FC

14.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E7FC	#FFFFFF	#000000	##000000
##51E7FC	1.00	1.48	14.19	14.19
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.19	21.00	1.00	1.00
##000000	14.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3DFFD

Deuteranopia (green-blind)

#BBCCFC

Tritanopia (blue-blind)

#00F1ED

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #51e7fc;
/* rgb */ color: rgb(81, 231, 252);
/* oklch */ color: oklch(85.8% 0.127 208.4);

Tailwind

colors: {
  custom: {
    50: '#96effd',
    500: '#51e7fc',
    950: '#000000',
  },
}

SCSS

$custom: #51e7fc;
$custom-light: #96effd;
$custom-dark: #000000;

JSON

{
  "hex": "#51e7fc",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 252
  },
  "hsl": {
    "h": 187.368,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.85761,
    "c": 0.12699,
    "h": 208.4
  },
  "luminance": 0.65929
}

Semantic roles & 50–950 ramp

primary

#51E7FC

secondary

#CA3B27

accent

#1C00E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1617

muted

#808585

Preview Lab

Preview with #51E7FC

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

Preview Lab → · Contrast checker → · Palette generator →