#51C8CE#51C8CE

#51C8CE is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.8% C 0.106 H 199.8°. Best body text is #000000 at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#51C8CE
RGB	rgb(81, 200, 206)
HSL	hsl(183, 56%, 56%)
HSV	hsv(183, 61%, 81%)
CMYK	cmyk(60.7%, 2.9%, 0%, 19.2%)
CIE-LAB	lab(74.52, -31.14, -12.94)
CIE-LCH	lch(74.52, 33.73, 202.56°)
OKLab	oklab(76.85% -0.0993 -0.0358)
OKLCH	oklch(76.85% 0.106 199.8)
XYZ	xyz(35.1834, 47.5104, 65.6968)
Luminance	0.4751 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8CE #CE5751

analogous

#51CE96 #51C8CE #518ACE

triadic

#51C8CE #CE51C8 #C8CE51

tetradic

#51C8CE #9651CE #CE5751 #8ACE51

square

#51C8CE #9651CE #CE5751 #8ACE51

split-complementary

#51C8CE #CE518A #CE9651

monochromatic

#247C80 #32AAB0 #51C8CE #81D7DB #B1E6E9

Accessibility & contrast

On white

2.00

#51C8CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.50

#51C8CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8CE

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8CE	#FFFFFF	#000000	##000000
##51C8CE	1.00	2.00	10.50	10.50
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.50	21.00	1.00	1.00
##000000	10.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC0CF

Deuteranopia (green-blind)

#A7B1CF

Tritanopia (blue-blind)

#00CFC9

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c8ce;
/* rgb */ color: rgb(81, 200, 206);
/* oklch */ color: oklch(76.8% 0.106 199.8);

Tailwind

colors: {
  custom: {
    50: '#8fd9dc',
    500: '#51c8ce',
    950: '#000000',
  },
}

SCSS

$custom: #51c8ce;
$custom-light: #8fd9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8ce",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 206
  },
  "hsl": {
    "h": 182.88,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.7685,
    "c": 0.10557,
    "h": 199.8
  },
  "luminance": 0.47514
}

Semantic roles & 50–950 ramp

primary

#51C8CE

secondary

#D7A6A4

accent

#5048DF

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C8CE

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

Preview Lab → · Contrast checker → · Palette generator →