#51E7F6#51E7F6

#51E7F6 is a very light, vivid teal. Relative luminance 0.656; OKLCH L 85.5% C 0.126 H 204.7°. Best body text is #000000 at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#51E7F6
RGB	rgb(81, 231, 246)
HSL	hsl(185, 90%, 64%)
HSV	hsv(185, 67%, 96%)
CMYK	cmyk(67.1%, 6.1%, 0%, 3.5%)
CIE-LAB	lab(84.77, -34.52, -18.88)
CIE-LCH	lch(84.77, 39.35, 208.68°)
OKLab	oklab(85.54% -0.1141 -0.0524)
OKLCH	oklch(85.54% 0.126 204.7)
XYZ	xyz(48.5966, 65.5495, 97.2621)
Luminance	0.6555 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E7F6 #F66051

analogous

#51F6B3 #51E7F6 #5194F6

triadic

#51E7F6 #F651E7 #E7F651

tetradic

#51E7F6 #B351F6 #F66051 #94F651

square

#51E7F6 #B351F6 #F66051 #94F651

split-complementary

#51E7F6 #F65194 #F6B351

monochromatic

#0AB2C3 #17DFF3 #51E7F6 #8BEFF9 #C5F7FC

Accessibility & contrast

On white

1.49

#51E7F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.11

#51E7F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E7F6

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E7F6	#FFFFFF	#000000	##000000
##51E7F6	1.00	1.49	14.11	14.11
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.11	21.00	1.00	1.00
##000000	14.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DEF7

Deuteranopia (green-blind)

#BDCCF7

Tritanopia (blue-blind)

#00F0EB

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #51e7f6;
/* rgb */ color: rgb(81, 231, 246);
/* oklch */ color: oklch(85.5% 0.126 204.7);

Tailwind

colors: {
  custom: {
    50: '#96eff9',
    500: '#51e7f6',
    950: '#000000',
  },
}

SCSS

$custom: #51e7f6;
$custom-light: #96eff9;
$custom-dark: #000000;

JSON

{
  "hex": "#51e7f6",
  "rgb": {
    "r": 81,
    "g": 231,
    "b": 246
  },
  "hsl": {
    "h": 185.455,
    "s": 90.164,
    "l": 64.118
  },
  "oklch": {
    "l": 0.85543,
    "c": 0.12553,
    "h": 204.7
  },
  "luminance": 0.65555
}

Semantic roles & 50–950 ramp

primary

#51E7F6

secondary

#C0392B

accent

#1500E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1617

muted

#808585

Preview Lab

Preview with #51E7F6

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

Preview Lab → · Contrast checker → · Palette generator →