#51CEE2#51CEE2

#51CEE2 is a light, moderate teal. Relative luminance 0.514; OKLCH L 79.0% C 0.112 H 209.9°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#51CEE2
RGB	rgb(81, 206, 226)
HSL	hsl(188, 71%, 60%)
HSV	hsv(188, 64%, 89%)
CMYK	cmyk(64.2%, 8.8%, 0%, 11.4%)
CIE-LAB	lab(76.91, -28.33, -20.13)
CIE-LCH	lch(76.91, 34.75, 215.39°)
OKLab	oklab(78.99% -0.0973 -0.0559)
OKLCH	oklch(78.99% 0.112 209.9)
XYZ	xyz(39.1863, 51.3787, 79.7886)
Luminance	0.5138 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEE2 #E26551

analogous

#51E2AE #51CEE2 #5185E2

triadic

#51CEE2 #E251CE #CEE251

tetradic

#51CEE2 #AE51E2 #E26551 #85E251

square

#51CEE2 #AE51E2 #E26551 #85E251

split-complementary

#51CEE2 #E25185 #E2AE51

monochromatic

#1A8C9E #23BAD3 #51CEE2 #85DDEB #BAECF3

Accessibility & contrast

On white

1.86

#51CEE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#51CEE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEE2

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEE2	#FFFFFF	#000000	##000000
##51CEE2	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDC7E3

Deuteranopia (green-blind)

#A7B7E2

Tritanopia (blue-blind)

#00D7D4

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cee2;
/* rgb */ color: rgb(81, 206, 226);
/* oklch */ color: oklch(79.0% 0.112 209.9);

Tailwind

colors: {
  custom: {
    50: '#92ddeb',
    500: '#51cee2',
    950: '#000000',
  },
}

SCSS

$custom: #51cee2;
$custom-light: #92ddeb;
$custom-dark: #000000;

JSON

{
  "hex": "#51cee2",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 226
  },
  "hsl": {
    "h": 188.276,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.78992,
    "c": 0.11219,
    "h": 209.9
  },
  "luminance": 0.51383
}

Semantic roles & 50–950 ramp

primary

#51CEE2

secondary

#A14536

accent

#2D12D3

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CEE2

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

Preview Lab → · Contrast checker → · Palette generator →