#51E4E6#51E4E6

#51E4E6 is a very light, vivid teal. Relative luminance 0.629; OKLCH L 84.3% C 0.123 H 196.4°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#51E4E6
RGB	rgb(81, 228, 230)
HSL	hsl(181, 75%, 61%)
HSV	hsv(181, 65%, 90%)
CMYK	cmyk(64.8%, 0.9%, 0%, 9.8%)
CIE-LAB	lab(83.41, -37.62, -12.47)
CIE-LCH	lch(83.41, 39.63, 198.34°)
OKLab	oklab(84.29% -0.1177 -0.0346)
OKLCH	oklch(84.29% 0.123 196.4)
XYZ	xyz(45.4133, 62.9442, 84.6036)
Luminance	0.6295 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4E6 #E65351

analogous

#51E69D #51E4E6 #5199E6

triadic

#51E4E6 #E651E4 #E4E651

tetradic

#51E4E6 #9D51E6 #E65351 #99E651

square

#51E4E6 #9D51E6 #E65351 #99E651

split-complementary

#51E4E6 #E65199 #E69D51

monochromatic

#18A3A5 #1FD8DA #51E4E6 #87ECEE #BCF5F5

Accessibility & contrast

On white

1.55

#51E4E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#51E4E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4E6

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4E6	#FFFFFF	#000000	##000000
##51E4E6	1.00	1.55	13.59	13.59
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DAE6

Deuteranopia (green-blind)

#BEC9E7

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4e6;
/* rgb */ color: rgb(81, 228, 230);
/* oklch */ color: oklch(84.3% 0.123 196.4);

Tailwind

colors: {
  custom: {
    50: '#94eded',
    500: '#51e4e6',
    950: '#000000',
  },
}

SCSS

$custom: #51e4e6;
$custom-light: #94eded;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4e6",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 230
  },
  "hsl": {
    "h": 180.805,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.84287,
    "c": 0.12265,
    "h": 196.4
  },
  "luminance": 0.62949
}

Semantic roles & 50–950 ramp

primary

#51E4E6

secondary

#A73634

accent

#110ED7

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E4E6

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

Preview Lab → · Contrast checker → · Palette generator →