#51DDE2#51DDE2

#51DDE2 is a very light, moderate teal. Relative luminance 0.590; OKLCH L 82.5% C 0.118 H 198.5°. Best body text is #000000 at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#51DDE2
RGB	rgb(81, 221, 226)
HSL	hsl(182, 71%, 60%)
HSV	hsv(182, 64%, 89%)
CMYK	cmyk(64.2%, 2.2%, 0%, 11.4%)
CIE-LAB	lab(81.26, -35.49, -13.56)
CIE-LCH	lch(81.26, 37.99, 200.91°)
OKLab	oklab(82.51% -0.1124 -0.0376)
OKLCH	oklch(82.51% 0.119 198.5)
XYZ	xyz(42.9712, 58.9485, 81.0503)
Luminance	0.5895 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDE2 #E25651

analogous

#51E29E #51DDE2 #5194E2

triadic

#51DDE2 #E251DD #DDE251

tetradic

#51DDE2 #9E51E2 #E25651 #94E251

square

#51DDE2 #9E51E2 #E25651 #94E251

split-complementary

#51DDE2 #E25194 #E29E51

monochromatic

#1A9A9E #23CDD3 #51DDE2 #85E7EB #BAF2F3

Accessibility & contrast

On white

1.64

#51DDE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.79

#51DDE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDE2

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDE2	#FFFFFF	#000000	##000000
##51DDE2	1.00	1.64	12.79	12.79
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.79	21.00	1.00	1.00
##000000	12.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED3E3

Deuteranopia (green-blind)

#B8C3E3

Tritanopia (blue-blind)

#00E4DE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dde2;
/* rgb */ color: rgb(81, 221, 226);
/* oklch */ color: oklch(82.5% 0.118 198.5);

Tailwind

colors: {
  custom: {
    50: '#93e8eb',
    500: '#51dde2',
    950: '#000000',
  },
}

SCSS

$custom: #51dde2;
$custom-light: #93e8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51dde2",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 226
  },
  "hsl": {
    "h": 182.069,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.82507,
    "c": 0.1185,
    "h": 198.5
  },
  "luminance": 0.58953
}

Semantic roles & 50–950 ramp

primary

#51DDE2

secondary

#A13A36

accent

#1912D3

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DDE2

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

Preview Lab → · Contrast checker → · Palette generator →