#51CCE0#51CCE0

#51CCE0 is a light, moderate teal. Relative luminance 0.503; OKLCH L 78.4% C 0.111 H 210.1°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#51CCE0
RGB	rgb(81, 204, 224)
HSL	hsl(188, 70%, 60%)
HSV	hsv(188, 64%, 88%)
CMYK	cmyk(63.8%, 8.9%, 0%, 12.2%)
CIE-LAB	lab(76.26, -27.93, -20.03)
CIE-LCH	lch(76.26, 34.37, 215.64°)
OKLab	oklab(78.45% -0.0961 -0.0556)
OKLCH	oklch(78.45% 0.111 210.1)
XYZ	xyz(38.4351, 50.3127, 78.1923)
Luminance	0.5032 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CCE0 #E06551

analogous

#51E0AD #51CCE0 #5184E0

triadic

#51CCE0 #E051CC #CCE051

tetradic

#51CCE0 #AD51E0 #E06551 #84E051

square

#51CCE0 #AD51E0 #E06551 #84E051

split-complementary

#51CCE0 #E05184 #E0AD51

monochromatic

#1C899B #25B7CF #51CCE0 #85DBE9 #B9EAF3

Accessibility & contrast

On white

1.90

#51CCE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#51CCE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CCE0

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CCE0	#FFFFFF	#000000	##000000
##51CCE0	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC5E1

Deuteranopia (green-blind)

#A6B5E0

Tritanopia (blue-blind)

#00D5D2

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51cce0;
/* rgb */ color: rgb(81, 204, 224);
/* oklch */ color: oklch(78.4% 0.111 210.1);

Tailwind

colors: {
  custom: {
    50: '#91dce9',
    500: '#51cce0',
    950: '#000000',
  },
}

SCSS

$custom: #51cce0;
$custom-light: #91dce9;
$custom-dark: #000000;

JSON

{
  "hex": "#51cce0",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 224
  },
  "hsl": {
    "h": 188.392,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.78449,
    "c": 0.111,
    "h": 210.1
  },
  "luminance": 0.50317
}

Semantic roles & 50–950 ramp

primary

#51CCE0

secondary

#9F4537

accent

#543BED

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CCE0

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

Preview Lab → · Contrast checker → · Palette generator →