#51D1DA#51D1DA

#51D1DA is a light, moderate teal. Relative luminance 0.524; OKLCH L 79.4% C 0.112 H 201.7°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#51D1DA
RGB	rgb(81, 209, 218)
HSL	hsl(184, 65%, 59%)
HSV	hsv(184, 63%, 85%)
CMYK	cmyk(62.8%, 4.1%, 0%, 14.5%)
CIE-LAB	lab(77.52, -32.07, -14.90)
CIE-LCH	lch(77.52, 35.36, 204.91°)
OKLab	oklab(79.4% -0.1036 -0.0413)
OKLCH	oklch(79.4% 0.112 201.7)
XYZ	xyz(38.8433, 52.4080, 74.3847)
Luminance	0.5241 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1DA #DA5A51

analogous

#51DA9E #51D1DA #518CDA

triadic

#51D1DA #DA51D1 #D1DA51

tetradic

#51D1DA #9E51DA #DA5A51 #8CDA51

square

#51D1DA #9E51DA #DA5A51 #8CDA51

split-complementary

#51D1DA #DA518C #DA9E51

monochromatic

#1F8A92 #2ABAC4 #51D1DA #83DEE5 #B6ECEF

Accessibility & contrast

On white

1.83

#51D1DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#51D1DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1DA

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1DA	#FFFFFF	#000000	##000000
##51D1DA	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C8DB

Deuteranopia (green-blind)

#ADB9DB

Tritanopia (blue-blind)

#00D9D3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d1da;
/* rgb */ color: rgb(81, 209, 218);
/* oklch */ color: oklch(79.4% 0.112 201.7);

Tailwind

colors: {
  custom: {
    50: '#91dfe5',
    500: '#51d1da',
    950: '#000000',
  },
}

SCSS

$custom: #51d1da;
$custom-light: #91dfe5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1da",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 218
  },
  "hsl": {
    "h": 183.942,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.79404,
    "c": 0.11151,
    "h": 201.7
  },
  "luminance": 0.52412
}

Semantic roles & 50–950 ramp

primary

#51D1DA

secondary

#973F39

accent

#4B40E8

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D1DA

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

Preview Lab → · Contrast checker → · Palette generator →