#51E1F0#51E1F0

#51E1F0 is a very light, vivid teal. Relative luminance 0.619; OKLCH L 83.9% C 0.122 H 205.0°. Best body text is #000000 at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#51E1F0
RGB	rgb(81, 225, 240)
HSL	hsl(186, 84%, 63%)
HSV	hsv(186, 66%, 94%)
CMYK	cmyk(66.3%, 6.3%, 0%, 5.9%)
CIE-LAB	lab(82.85, -33.41, -18.60)
CIE-LCH	lch(82.85, 38.24, 209.10°)
OKLab	oklab(83.94% -0.1106 -0.0516)
OKLCH	oklch(83.94% 0.122 205)
XYZ	xyz(46.0399, 61.8859, 91.9399)
Luminance	0.6189 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1F0 #F06051

analogous

#51F0AF #51E1F0 #5192F0

triadic

#51E1F0 #F051E1 #E1F051

tetradic

#51E1F0 #AF51F0 #F06051 #92F051

square

#51E1F0 #AF51F0 #F06051 #92F051

split-complementary

#51E1F0 #F05192 #F0AF51

monochromatic

#10A7B7 #19D7EB #51E1F0 #89EBF5 #C2F4FA

Accessibility & contrast

On white

1.57

#51E1F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.38

#51E1F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1F0

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1F0	#FFFFFF	#000000	##000000
##51E1F0	1.00	1.57	13.38	13.38
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.38	21.00	1.00	1.00
##000000	13.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD8F1

Deuteranopia (green-blind)

#B8C7F1

Tritanopia (blue-blind)

#00EAE5

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e1f0;
/* rgb */ color: rgb(81, 225, 240);
/* oklch */ color: oklch(83.9% 0.122 205.0);

Tailwind

colors: {
  custom: {
    50: '#95ebf5',
    500: '#51e1f0',
    950: '#000000',
  },
}

SCSS

$custom: #51e1f0;
$custom-light: #95ebf5;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1f0",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 240
  },
  "hsl": {
    "h": 185.66,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.83935,
    "c": 0.12207,
    "h": 205
  },
  "luminance": 0.61891
}

Semantic roles & 50–950 ramp

primary

#51E1F0

secondary

#B63C2F

accent

#1A05E1

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E1F0

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

Preview Lab → · Contrast checker → · Palette generator →