#51E2F6#51E2F6

#51E2F6 is a very light, vivid teal. Relative luminance 0.628; OKLCH L 84.4% C 0.124 H 208.2°. Best body text is #000000 at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#51E2F6
RGB	rgb(81, 226, 246)
HSL	hsl(187, 90%, 64%)
HSV	hsv(187, 67%, 96%)
CMYK	cmyk(67.1%, 8.1%, 0%, 3.5%)
CIE-LAB	lab(83.33, -32.16, -21.05)
CIE-LCH	lch(83.33, 38.44, 213.21°)
OKLab	oklab(84.39% -0.1092 -0.0585)
OKLCH	oklch(84.39% 0.124 208.2)
XYZ	xyz(47.2171, 62.7905, 96.8022)
Luminance	0.6280 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2F6 #F66551

analogous

#51F6B8 #51E2F6 #5190F6

triadic

#51E2F6 #F651E2 #E2F651

tetradic

#51E2F6 #B851F6 #F66551 #90F651

square

#51E2F6 #B851F6 #F66551 #90F651

split-complementary

#51E2F6 #F65190 #F6B851

monochromatic

#0AACC3 #17D8F3 #51E2F6 #8BECF9 #C5F5FC

Accessibility & contrast

On white

1.55

#51E2F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.56

#51E2F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2F6

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2F6	#FFFFFF	#000000	##000000
##51E2F6	1.00	1.55	13.56	13.56
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.56	21.00	1.00	1.00
##000000	13.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFDAF7

Deuteranopia (green-blind)

#B7C8F6

Tritanopia (blue-blind)

#00ECE8

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e2f6;
/* rgb */ color: rgb(81, 226, 246);
/* oklch */ color: oklch(84.4% 0.124 208.2);

Tailwind

colors: {
  custom: {
    50: '#95ebf9',
    500: '#51e2f6',
    950: '#000000',
  },
}

SCSS

$custom: #51e2f6;
$custom-light: #95ebf9;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2f6",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 246
  },
  "hsl": {
    "h": 187.273,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.84386,
    "c": 0.12387,
    "h": 208.2
  },
  "luminance": 0.62796
}

Semantic roles & 50–950 ramp

primary

#51E2F6

secondary

#C03D2B

accent

#1C00E6

background

#FCFEFF

surface

#F5FDFF

border

#CFD5D7

text

#0F1617

muted

#808485

Preview Lab

Preview with #51E2F6

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

Preview Lab → · Contrast checker → · Palette generator →