#51DDE1#51DDE1

#51DDE1 is a very light, moderate teal. Relative luminance 0.589; OKLCH L 82.5% C 0.118 H 197.8°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#51DDE1
RGB	rgb(81, 221, 225)
HSL	hsl(182, 71%, 60%)
HSV	hsv(182, 64%, 88%)
CMYK	cmyk(64%, 1.8%, 0%, 11.8%)
CIE-LAB	lab(81.23, -35.76, -13.07)
CIE-LCH	lch(81.23, 38.08, 200.08°)
OKLab	oklab(82.47% -0.1128 -0.0363)
OKLCH	oklch(82.47% 0.118 197.8)
XYZ	xyz(42.8344, 58.8937, 80.3297)
Luminance	0.5890 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDE1 #E15551

analogous

#51E19D #51DDE1 #5195E1

triadic

#51DDE1 #E151DD #DDE151

tetradic

#51DDE1 #9D51E1 #E15551 #95E151

square

#51DDE1 #9D51E1 #E15551 #95E151

split-complementary

#51DDE1 #E15195 #E19D51

monochromatic

#1B999D #24CCD1 #51DDE1 #85E7EA #B9F1F3

Accessibility & contrast

On white

1.64

#51DDE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.78

#51DDE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDE1

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDE1	#FFFFFF	#000000	##000000
##51DDE1	1.00	1.64	12.78	12.78
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.78	21.00	1.00	1.00
##000000	12.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED3E2

Deuteranopia (green-blind)

#B8C3E2

Tritanopia (blue-blind)

#00E4DE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51dde1;
/* rgb */ color: rgb(81, 221, 225);
/* oklch */ color: oklch(82.5% 0.118 197.8);

Tailwind

colors: {
  custom: {
    50: '#93e8ea',
    500: '#51dde1',
    950: '#000000',
  },
}

SCSS

$custom: #51dde1;
$custom-light: #93e8ea;
$custom-dark: #000000;

JSON

{
  "hex": "#51dde1",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 225
  },
  "hsl": {
    "h": 181.667,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.82473,
    "c": 0.11848,
    "h": 197.8
  },
  "luminance": 0.58898
}

Semantic roles & 50–950 ramp

primary

#51DDE1

secondary

#A03936

accent

#3F3AED

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DDE1

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

Preview Lab → · Contrast checker → · Palette generator →