#51DDE6#51DDE6

#51DDE6 is a very light, moderate teal. Relative luminance 0.592; OKLCH L 82.6% C 0.119 H 201.2°. Best body text is #000000 at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#51DDE6
RGB	rgb(81, 221, 230)
HSL	hsl(184, 75%, 61%)
HSV	hsv(184, 65%, 90%)
CMYK	cmyk(64.8%, 3.9%, 0%, 9.8%)
CIE-LAB	lab(81.39, -34.37, -15.51)
CIE-LCH	lch(81.39, 37.70, 204.28°)
OKLab	oklab(82.65% -0.1107 -0.043)
OKLCH	oklch(82.65% 0.119 201.2)
XYZ	xyz(43.5265, 59.1706, 83.9747)
Luminance	0.5917 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDE6 #E65A51

analogous

#51E6A4 #51DDE6 #5192E6

triadic

#51DDE6 #E651DD #DDE651

tetradic

#51DDE6 #A451E6 #E65A51 #92E651

square

#51DDE6 #A451E6 #E65A51 #92E651

split-complementary

#51DDE6 #E65192 #E6A451

monochromatic

#189CA5 #1FCFDA #51DDE6 #87E7EE #BCF2F5

Accessibility & contrast

On white

1.64

#51DDE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.84

#51DDE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDE6

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDE6	#FFFFFF	#000000	##000000
##51DDE6	1.00	1.64	12.84	12.84
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.84	21.00	1.00	1.00
##000000	12.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD4E7

Deuteranopia (green-blind)

#B7C3E7

Tritanopia (blue-blind)

#00E5DF

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dde6;
/* rgb */ color: rgb(81, 221, 230);
/* oklch */ color: oklch(82.6% 0.119 201.2);

Tailwind

colors: {
  custom: {
    50: '#93e8ed',
    500: '#51dde6',
    950: '#000000',
  },
}

SCSS

$custom: #51dde6;
$custom-light: #93e8ed;
$custom-dark: #000000;

JSON

{
  "hex": "#51dde6",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 230
  },
  "hsl": {
    "h": 183.624,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.82646,
    "c": 0.11878,
    "h": 201.2
  },
  "luminance": 0.59175
}

Semantic roles & 50–950 ramp

primary

#51DDE6

secondary

#A73B34

accent

#1B0ED7

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51DDE6

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

Preview Lab → · Contrast checker → · Palette generator →