#51D4DD#51D4DD

#51D4DD is a light, moderate teal. Relative luminance 0.541; OKLCH L 80.2% C 0.113 H 201.6°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#51D4DD
RGB	rgb(81, 212, 221)
HSL	hsl(184, 67%, 59%)
HSV	hsv(184, 63%, 87%)
CMYK	cmyk(63.3%, 4.1%, 0%, 13.3%)
CIE-LAB	lab(78.49, -32.66, -15.05)
CIE-LCH	lch(78.49, 35.96, 204.75°)
OKLab	oklab(80.22% -0.1054 -0.0417)
OKLCH	oklch(80.22% 0.113 201.6)
XYZ	xyz(39.9823, 54.0524, 76.7186)
Luminance	0.5406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4DD #DD5A51

analogous

#51DDA0 #51D4DD #518EDD

triadic

#51D4DD #DD51D4 #D4DD51

tetradic

#51D4DD #A051DD #DD5A51 #8EDD51

square

#51D4DD #A051DD #DD5A51 #8EDD51

split-complementary

#51D4DD #DD518E #DDA051

monochromatic

#1D8E96 #27BFC9 #51D4DD #84E1E7 #B7EDF1

Accessibility & contrast

On white

1.78

#51D4DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#51D4DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4DD

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4DD	#FFFFFF	#000000	##000000
##51D4DD	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CBDE

Deuteranopia (green-blind)

#B0BCDE

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4dd;
/* rgb */ color: rgb(81, 212, 221);
/* oklch */ color: oklch(80.2% 0.113 201.6);

Tailwind

colors: {
  custom: {
    50: '#92e1e7',
    500: '#51d4dd',
    950: '#000000',
  },
}

SCSS

$custom: #51d4dd;
$custom-light: #92e1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4dd",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 221
  },
  "hsl": {
    "h": 183.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.80216,
    "c": 0.11335,
    "h": 201.6
  },
  "luminance": 0.54057
}

Semantic roles & 50–950 ramp

primary

#51D4DD

secondary

#9B3E38

accent

#493EEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4DD

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

Preview Lab → · Contrast checker → · Palette generator →