#51E2F2#51E2F2

#51E2F2 is a very light, vivid teal. Relative luminance 0.626; OKLCH L 84.2% C 0.123 H 205.6°. Best body text is #000000 at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#51E2F2
RGB	rgb(81, 226, 242)
HSL	hsl(186, 86%, 63%)
HSV	hsv(186, 67%, 95%)
CMYK	cmyk(66.5%, 6.6%, 0%, 5.1%)
CIE-LAB	lab(83.20, -33.31, -19.13)
CIE-LCH	lch(83.20, 38.41, 209.87°)
OKLab	oklab(84.24% -0.1108 -0.0531)
OKLCH	oklch(84.24% 0.123 205.6)
XYZ	xyz(46.6098, 62.5476, 93.6036)
Luminance	0.6255 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2F2 #F26151

analogous

#51F2B1 #51E2F2 #5191F2

triadic

#51E2F2 #F251E2 #E2F251

tetradic

#51E2F2 #B151F2 #F26151 #91F251

square

#51E2F2 #B151F2 #F26151 #91F251

split-complementary

#51E2F2 #F25191 #F2B151

monochromatic

#0EA9BB #18D9EE #51E2F2 #8AEBF6 #C3F5FB

Accessibility & contrast

On white

1.55

#51E2F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.51

#51E2F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2F2

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2F2	#FFFFFF	#000000	##000000
##51E2F2	1.00	1.55	13.51	13.51
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.51	21.00	1.00	1.00
##000000	13.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D9F3

Deuteranopia (green-blind)

#B9C8F2

Tritanopia (blue-blind)

#00EBE7

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e2f2;
/* rgb */ color: rgb(81, 226, 242);
/* oklch */ color: oklch(84.2% 0.123 205.6);

Tailwind

colors: {
  custom: {
    50: '#95ebf6',
    500: '#51e2f2',
    950: '#000000',
  },
}

SCSS

$custom: #51e2f2;
$custom-light: #95ebf6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2f2",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 242
  },
  "hsl": {
    "h": 185.963,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.8424,
    "c": 0.12286,
    "h": 205.6
  },
  "luminance": 0.62553
}

Semantic roles & 50–950 ramp

primary

#51E2F2

secondary

#B93C2E

accent

#1903E3

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E2F2

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

Preview Lab → · Contrast checker → · Palette generator →