#51D1DC#51D1DC

#51D1DC is a light, moderate teal. Relative luminance 0.525; OKLCH L 79.5% C 0.112 H 203.2°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#51D1DC
RGB	rgb(81, 209, 220)
HSL	hsl(185, 67%, 59%)
HSV	hsv(185, 63%, 86%)
CMYK	cmyk(63.2%, 5%, 0%, 13.7%)
CIE-LAB	lab(77.59, -31.51, -15.88)
CIE-LCH	lch(77.59, 35.28, 206.74°)
OKLab	oklab(79.47% -0.1028 -0.044)
OKLCH	oklch(79.47% 0.112 203.2)
XYZ	xyz(39.1065, 52.5133, 75.7714)
Luminance	0.5252 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1DC #DC5C51

analogous

#51DCA2 #51D1DC #518CDC

triadic

#51D1DC #DC51D1 #D1DC51

tetradic

#51D1DC #A251DC #DC5C51 #8CDC51

square

#51D1DC #A251DC #DC5C51 #8CDC51

split-complementary

#51D1DC #DC518C #DCA251

monochromatic

#1E8B95 #28BBC8 #51D1DC #84DEE6 #B7ECF0

Accessibility & contrast

On white

1.83

#51D1DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.50

#51D1DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1DC

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1DC	#FFFFFF	#000000	##000000
##51D1DC	1.00	1.83	11.50	11.50
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.50	21.00	1.00	1.00
##000000	11.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C9DD

Deuteranopia (green-blind)

#ADB9DD

Tritanopia (blue-blind)

#00D9D4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d1dc;
/* rgb */ color: rgb(81, 209, 220);
/* oklch */ color: oklch(79.5% 0.112 203.2);

Tailwind

colors: {
  custom: {
    50: '#91dfe6',
    500: '#51d1dc',
    950: '#000000',
  },
}

SCSS

$custom: #51d1dc;
$custom-light: #91dfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1dc",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 220
  },
  "hsl": {
    "h": 184.748,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79475,
    "c": 0.11179,
    "h": 203.2
  },
  "luminance": 0.52518
}

Semantic roles & 50–950 ramp

primary

#51D1DC

secondary

#994038

accent

#4C3EE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D1DC

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

Preview Lab → · Contrast checker → · Palette generator →