#51DDEA#51DDEA

#51DDEA is a very light, moderate teal. Relative luminance 0.594; OKLCH L 82.8% C 0.119 H 203.9°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#51DDEA
RGB	rgb(81, 221, 234)
HSL	hsl(185, 78%, 62%)
HSV	hsv(185, 65%, 92%)
CMYK	cmyk(65.4%, 5.6%, 0%, 8.2%)
CIE-LAB	lab(81.51, -33.23, -17.44)
CIE-LCH	lch(81.51, 37.53, 207.69°)
OKLab	oklab(82.79% -0.1091 -0.0484)
OKLCH	oklch(82.79% 0.119 203.9)
XYZ	xyz(44.0947, 59.3978, 86.9670)
Luminance	0.5940 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDEA #EA5E51

analogous

#51EAAB #51DDEA #5191EA

triadic

#51DDEA #EA51DD #DDEA51

tetradic

#51DDEA #AB51EA #EA5E51 #91EA51

square

#51DDEA #AB51EA #EA5E51 #91EA51

split-complementary

#51DDEA #EA5191 #EAAB51

monochromatic

#159FAC #1BD2E2 #51DDEA #88E8F1 #BEF2F7

Accessibility & contrast

On white

1.63

#51DDEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.88

#51DDEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDEA

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDEA	#FFFFFF	#000000	##000000
##51DDEA	1.00	1.63	12.88	12.88
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.88	21.00	1.00	1.00
##000000	12.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD4EB

Deuteranopia (green-blind)

#B6C3EB

Tritanopia (blue-blind)

#00E6E1

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51ddea;
/* rgb */ color: rgb(81, 221, 234);
/* oklch */ color: oklch(82.8% 0.119 203.9);

Tailwind

colors: {
  custom: {
    50: '#94e8f0',
    500: '#51ddea',
    950: '#000000',
  },
}

SCSS

$custom: #51ddea;
$custom-light: #94e8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddea",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 234
  },
  "hsl": {
    "h": 185.098,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.82788,
    "c": 0.11935,
    "h": 203.9
  },
  "luminance": 0.59403
}

Semantic roles & 50–950 ramp

primary

#51DDEA

secondary

#AD3D32

accent

#1C0BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51DDEA

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

Preview Lab → · Contrast checker → · Palette generator →