#51DCF1#51DCF1

#51DCF1 is a very light, vivid teal. Relative luminance 0.593; OKLCH L 82.8% C 0.121 H 209.3°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#51DCF1
RGB	rgb(81, 220, 241)
HSL	hsl(188, 85%, 63%)
HSV	hsv(188, 66%, 95%)
CMYK	cmyk(66.4%, 8.7%, 0%, 5.5%)
CIE-LAB	lab(81.45, -30.74, -21.26)
CIE-LCH	lch(81.45, 37.38, 214.66°)
OKLab	oklab(82.81% -0.1053 -0.059)
OKLCH	oklch(82.81% 0.121 209.3)
XYZ	xyz(44.8570, 59.2816, 92.2805)
Luminance	0.5929 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCF1 #F16651

analogous

#51F1B6 #51DCF1 #518CF1

triadic

#51DCF1 #F151DC #DCF151

tetradic

#51DCF1 #B651F1 #F16651 #8CF151

square

#51DCF1 #B651F1 #F16651 #8CF151

split-complementary

#51DCF1 #F1518C #F1B651

monochromatic

#0FA2B9 #18D1EC #51DCF1 #8AE7F6 #C2F3FA

Accessibility & contrast

On white

1.63

#51DCF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#51DCF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCF1

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCF1	#FFFFFF	#000000	##000000
##51DCF1	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D4F2

Deuteranopia (green-blind)

#B2C3F1

Tritanopia (blue-blind)

#00E6E2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dcf1;
/* rgb */ color: rgb(81, 220, 241);
/* oklch */ color: oklch(82.8% 0.121 209.3);

Tailwind

colors: {
  custom: {
    50: '#94e7f5',
    500: '#51dcf1',
    950: '#000000',
  },
}

SCSS

$custom: #51dcf1;
$custom-light: #94e7f5;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcf1",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 241
  },
  "hsl": {
    "h": 187.875,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.82811,
    "c": 0.12074,
    "h": 209.3
  },
  "luminance": 0.59287
}

Semantic roles & 50–950 ramp

primary

#51DCF1

secondary

#B8412F

accent

#2104E2

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DCF1

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

Preview Lab → · Contrast checker → · Palette generator →