#51E2F3#51E2F3

#51E2F3 is a very light, vivid teal. Relative luminance 0.626; OKLCH L 84.3% C 0.123 H 206.2°. Best body text is #000000 at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#51E2F3
RGB	rgb(81, 226, 243)
HSL	hsl(186, 87%, 64%)
HSV	hsv(186, 67%, 95%)
CMYK	cmyk(66.7%, 7%, 0%, 4.7%)
CIE-LAB	lab(83.24, -33.02, -19.61)
CIE-LCH	lch(83.24, 38.41, 210.70°)
OKLab	oklab(84.28% -0.1104 -0.0544)
OKLCH	oklch(84.28% 0.123 206.2)
XYZ	xyz(46.7604, 62.6078, 94.3968)
Luminance	0.6261 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2F3 #F36251

analogous

#51F3B3 #51E2F3 #5191F3

triadic

#51E2F3 #F351E2 #E2F351

tetradic

#51E2F3 #B351F3 #F36251 #91F351

square

#51E2F3 #B351F3 #F36251 #91F351

split-complementary

#51E2F3 #F35191 #F3B351

monochromatic

#0DAABD #18D8EF #51E2F3 #8AECF7 #C4F5FB

Accessibility & contrast

On white

1.55

#51E2F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.52

#51E2F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2F3

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2F3	#FFFFFF	#000000	##000000
##51E2F3	1.00	1.55	13.52	13.52
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.52	21.00	1.00	1.00
##000000	13.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D9F4

Deuteranopia (green-blind)

#B8C8F3

Tritanopia (blue-blind)

#00EBE7

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #51e2f3;
/* rgb */ color: rgb(81, 226, 243);
/* oklch */ color: oklch(84.3% 0.123 206.2);

Tailwind

colors: {
  custom: {
    50: '#95ebf7',
    500: '#51e2f3',
    950: '#000000',
  },
}

SCSS

$custom: #51e2f3;
$custom-light: #95ebf7;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2f3",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 243
  },
  "hsl": {
    "h": 186.296,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.84276,
    "c": 0.12309,
    "h": 206.2
  },
  "luminance": 0.62613
}

Semantic roles & 50–950 ramp

primary

#51E2F3

secondary

#BB3C2D

accent

#1A02E4

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E2F3

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

Preview Lab → · Contrast checker → · Palette generator →