#51DCF2#51DCF2

#51DCF2 is a very light, vivid teal. Relative luminance 0.593; OKLCH L 82.8% C 0.121 H 209.9°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#51DCF2
RGB	rgb(81, 220, 242)
HSL	hsl(188, 86%, 63%)
HSV	hsv(188, 67%, 95%)
CMYK	cmyk(66.5%, 9.1%, 0%, 5.1%)
CIE-LAB	lab(81.48, -30.45, -21.74)
CIE-LCH	lch(81.48, 37.41, 215.52°)
OKLab	oklab(82.85% -0.1049 -0.0604)
OKLCH	oklch(82.85% 0.121 209.9)
XYZ	xyz(45.0068, 59.3415, 93.0693)
Luminance	0.5935 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCF2 #F26751

analogous

#51F2B7 #51DCF2 #518BF2

triadic

#51DCF2 #F251DC #DCF251

tetradic

#51DCF2 #B751F2 #F26751 #8BF251

square

#51DCF2 #B751F2 #F26751 #8BF251

split-complementary

#51DCF2 #F2518B #F2B751

monochromatic

#0EA3BB #18D1EE #51DCF2 #8AE7F6 #C3F3FB

Accessibility & contrast

On white

1.63

#51DCF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.87

#51DCF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCF2

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCF2	#FFFFFF	#000000	##000000
##51DCF2	1.00	1.63	12.87	12.87
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.87	21.00	1.00	1.00
##000000	12.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D4F3

Deuteranopia (green-blind)

#B2C3F2

Tritanopia (blue-blind)

#00E6E3

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dcf2;
/* rgb */ color: rgb(81, 220, 242);
/* oklch */ color: oklch(82.8% 0.121 209.9);

Tailwind

colors: {
  custom: {
    50: '#94e7f6',
    500: '#51dcf2',
    950: '#000000',
  },
}

SCSS

$custom: #51dcf2;
$custom-light: #94e7f6;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcf2",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 242
  },
  "hsl": {
    "h": 188.199,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.82849,
    "c": 0.12106,
    "h": 209.9
  },
  "luminance": 0.59347
}

Semantic roles & 50–950 ramp

primary

#51DCF2

secondary

#B9412E

accent

#2103E3

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DCF2

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

Preview Lab → · Contrast checker → · Palette generator →