#51CEE4#51CEE4

#51CEE4 is a light, moderate teal. Relative luminance 0.515; OKLCH L 79.1% C 0.113 H 211.3°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#51CEE4
RGB	rgb(81, 206, 228)
HSL	hsl(189, 73%, 61%)
HSV	hsv(189, 64%, 89%)
CMYK	cmyk(64.5%, 9.6%, 0%, 10.6%)
CIE-LAB	lab(76.97, -27.74, -21.10)
CIE-LCH	lch(76.97, 34.86, 217.25°)
OKLab	oklab(79.07% -0.0965 -0.0586)
OKLCH	oklch(79.07% 0.113 211.3)
XYZ	xyz(39.4624, 51.4891, 81.2424)
Luminance	0.5149 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEE4 #E46751

analogous

#51E4B1 #51CEE4 #5184E4

triadic

#51CEE4 #E451CE #CEE451

tetradic

#51CEE4 #B151E4 #E46751 #84E451

square

#51CEE4 #B151E4 #E46751 #84E451

split-complementary

#51CEE4 #E45184 #E4B151

monochromatic

#198DA2 #21BBD7 #51CEE4 #86DDEC #BBECF4

Accessibility & contrast

On white

1.86

#51CEE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#51CEE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEE4

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEE4	#FFFFFF	#000000	##000000
##51CEE4	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC7E5

Deuteranopia (green-blind)

#A7B7E4

Tritanopia (blue-blind)

#00D7D5

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cee4;
/* rgb */ color: rgb(81, 206, 228);
/* oklch */ color: oklch(79.1% 0.113 211.3);

Tailwind

colors: {
  custom: {
    50: '#92ddec',
    500: '#51cee4',
    950: '#000000',
  },
}

SCSS

$custom: #51cee4;
$custom-light: #92ddec;
$custom-dark: #000000;

JSON

{
  "hex": "#51cee4",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 228
  },
  "hsl": {
    "h": 188.98,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.79067,
    "c": 0.11291,
    "h": 211.3
  },
  "luminance": 0.51493
}

Semantic roles & 50–950 ramp

primary

#51CEE4

secondary

#A44635

accent

#2E10D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CEE4

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

Preview Lab → · Contrast checker → · Palette generator →