#51D8E2#51D8E2

#51D8E2 is a light, moderate teal. Relative luminance 0.564; OKLCH L 81.3% C 0.116 H 202.1°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#51D8E2
RGB	rgb(81, 216, 226)
HSL	hsl(184, 71%, 60%)
HSV	hsv(184, 64%, 89%)
CMYK	cmyk(64.2%, 4.4%, 0%, 11.4%)
CIE-LAB	lab(79.81, -33.14, -15.74)
CIE-LCH	lch(79.81, 36.69, 205.41°)
OKLab	oklab(81.33% -0.1074 -0.0436)
OKLCH	oklch(81.33% 0.116 202.1)
XYZ	xyz(41.6707, 56.3475, 80.6168)
Luminance	0.5635 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8E2 #E25B51

analogous

#51E2A4 #51D8E2 #518FE2

triadic

#51D8E2 #E251D8 #D8E251

tetradic

#51D8E2 #A451E2 #E25B51 #8FE251

square

#51D8E2 #A451E2 #E25B51 #8FE251

split-complementary

#51D8E2 #E2518F #E2A451

monochromatic

#1A959E #23C7D3 #51D8E2 #85E4EB #BAF0F3

Accessibility & contrast

On white

1.71

#51D8E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#51D8E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8E2

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8E2	#FFFFFF	#000000	##000000
##51D8E2	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8CFE3

Deuteranopia (green-blind)

#B2BFE3

Tritanopia (blue-blind)

#00E0DB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d8e2;
/* rgb */ color: rgb(81, 216, 226);
/* oklch */ color: oklch(81.3% 0.116 202.1);

Tailwind

colors: {
  custom: {
    50: '#93e4eb',
    500: '#51d8e2',
    950: '#000000',
  },
}

SCSS

$custom: #51d8e2;
$custom-light: #93e4eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8e2",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 226
  },
  "hsl": {
    "h": 184.138,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.81333,
    "c": 0.1159,
    "h": 202.1
  },
  "luminance": 0.56352
}

Semantic roles & 50–950 ramp

primary

#51D8E2

secondary

#A13D36

accent

#1F12D3

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D8E2

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

Preview Lab → · Contrast checker → · Palette generator →