#51E1F2#51E1F2

#51E1F2 is a very light, vivid teal. Relative luminance 0.620; OKLCH L 84.0% C 0.123 H 206.3°. Best body text is #000000 at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#51E1F2
RGB	rgb(81, 225, 242)
HSL	hsl(186, 86%, 63%)
HSV	hsv(186, 67%, 95%)
CMYK	cmyk(66.5%, 7%, 0%, 5.1%)
CIE-LAB	lab(82.92, -32.84, -19.56)
CIE-LCH	lch(82.92, 38.22, 210.78°)
OKLab	oklab(84.01% -0.1098 -0.0543)
OKLCH	oklch(84.01% 0.123 206.3)
XYZ	xyz(46.3387, 62.0053, 93.5133)
Luminance	0.6201 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1F2 #F26251

analogous

#51F2B2 #51E1F2 #5191F2

triadic

#51E1F2 #F251E1 #E1F251

tetradic

#51E1F2 #B251F2 #F26251 #91F251

square

#51E1F2 #B251F2 #F26251 #91F251

split-complementary

#51E1F2 #F25191 #F2B251

monochromatic

#0EA8BB #18D7EE #51E1F2 #8AEBF6 #C3F5FB

Accessibility & contrast

On white

1.57

#51E1F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.40

#51E1F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1F2

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1F2	#FFFFFF	#000000	##000000
##51E1F2	1.00	1.57	13.40	13.40
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.40	21.00	1.00	1.00
##000000	13.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD8F3

Deuteranopia (green-blind)

#B7C7F2

Tritanopia (blue-blind)

#00EAE6

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e1f2;
/* rgb */ color: rgb(81, 225, 242);
/* oklch */ color: oklch(84.0% 0.123 206.3);

Tailwind

colors: {
  custom: {
    50: '#95eaf6',
    500: '#51e1f2',
    950: '#000000',
  },
}

SCSS

$custom: #51e1f2;
$custom-light: #95eaf6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1f2",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 242
  },
  "hsl": {
    "h": 186.335,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.84008,
    "c": 0.12251,
    "h": 206.3
  },
  "luminance": 0.62011
}

Semantic roles & 50–950 ramp

primary

#51E1F2

secondary

#B93D2E

accent

#1B03E3

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E1F2

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

Preview Lab → · Contrast checker → · Palette generator →