#51D4DB#51D4DB

#51D4DB is a light, moderate teal. Relative luminance 0.540; OKLCH L 80.1% C 0.113 H 200.2°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#51D4DB
RGB	rgb(81, 212, 219)
HSL	hsl(183, 66%, 59%)
HSV	hsv(183, 63%, 86%)
CMYK	cmyk(63%, 3.2%, 0%, 14.1%)
CIE-LAB	lab(78.43, -33.22, -14.07)
CIE-LCH	lch(78.43, 36.08, 202.96°)
OKLab	oklab(80.15% -0.1062 -0.039)
OKLCH	oklch(80.15% 0.113 200.2)
XYZ	xyz(39.7175, 53.9465, 75.3236)
Luminance	0.5395 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4DB #DB5851

analogous

#51DB9D #51D4DB #518FDB

triadic

#51D4DB #DB51D4 #D4DB51

tetradic

#51D4DB #9D51DB #DB5851 #8FDB51

square

#51D4DB #9D51DB #DB5851 #8FDB51

split-complementary

#51D4DB #DB518F #DB9D51

monochromatic

#1E8D93 #29BEC6 #51D4DB #84E1E5 #B6EDF0

Accessibility & contrast

On white

1.78

#51D4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#51D4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4DB

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4DB	#FFFFFF	#000000	##000000
##51D4DB	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CBDC

Deuteranopia (green-blind)

#B0BBDC

Tritanopia (blue-blind)

#00DBD6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4db;
/* rgb */ color: rgb(81, 212, 219);
/* oklch */ color: oklch(80.1% 0.113 200.2);

Tailwind

colors: {
  custom: {
    50: '#92e1e6',
    500: '#51d4db',
    950: '#000000',
  },
}

SCSS

$custom: #51d4db;
$custom-light: #92e1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4db",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 219
  },
  "hsl": {
    "h": 183.043,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.80146,
    "c": 0.11316,
    "h": 200.2
  },
  "luminance": 0.53951
}

Semantic roles & 50–950 ramp

primary

#51D4DB

secondary

#983D38

accent

#483FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D4DB

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

Preview Lab → · Contrast checker → · Palette generator →