#51D2DB#51D2DB

#51D2DB is a light, moderate teal. Relative luminance 0.530; OKLCH L 79.7% C 0.112 H 201.7°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#51D2DB
RGB	rgb(81, 210, 219)
HSL	hsl(184, 66%, 59%)
HSV	hsv(184, 63%, 86%)
CMYK	cmyk(63%, 4.1%, 0%, 14.1%)
CIE-LAB	lab(77.85, -32.27, -14.95)
CIE-LCH	lch(77.85, 35.56, 204.86°)
OKLab	oklab(79.68% -0.1042 -0.0414)
OKLCH	oklch(79.68% 0.112 201.7)
XYZ	xyz(39.2206, 52.9527, 75.1580)
Luminance	0.5296 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2DB #DB5A51

analogous

#51DB9F #51D2DB #518DDB

triadic

#51D2DB #DB51D2 #D2DB51

tetradic

#51D2DB #9F51DB #DB5A51 #8DDB51

square

#51D2DB #9F51DB #DB5A51 #8DDB51

split-complementary

#51D2DB #DB518D #DB9F51

monochromatic

#1E8C93 #29BCC6 #51D2DB #84DFE5 #B6ECF0

Accessibility & contrast

On white

1.81

#51D2DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#51D2DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2DB

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2DB	#FFFFFF	#000000	##000000
##51D2DB	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3C9DC

Deuteranopia (green-blind)

#AEBADC

Tritanopia (blue-blind)

#00DAD4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d2db;
/* rgb */ color: rgb(81, 210, 219);
/* oklch */ color: oklch(79.7% 0.112 201.7);

Tailwind

colors: {
  custom: {
    50: '#91e0e6',
    500: '#51d2db',
    950: '#000000',
  },
}

SCSS

$custom: #51d2db;
$custom-light: #91e0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2db",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 219
  },
  "hsl": {
    "h": 183.913,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79675,
    "c": 0.11212,
    "h": 201.7
  },
  "luminance": 0.52957
}

Semantic roles & 50–950 ramp

primary

#51D2DB

secondary

#983E38

accent

#4A3FE9

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D2DB

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

Preview Lab → · Contrast checker → · Palette generator →