#51CEE6#51CEE6

#51CEE6 is a light, moderate teal. Relative luminance 0.516; OKLCH L 79.1% C 0.114 H 212.6°. Best body text is #000000 at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#51CEE6
RGB	rgb(81, 206, 230)
HSL	hsl(190, 75%, 61%)
HSV	hsv(190, 65%, 90%)
CMYK	cmyk(64.8%, 10.4%, 0%, 9.8%)
CIE-LAB	lab(77.04, -27.16, -22.07)
CIE-LCH	lch(77.04, 34.99, 219.10°)
OKLab	oklab(79.14% -0.0957 -0.0613)
OKLCH	oklch(79.14% 0.114 212.6)
XYZ	xyz(39.7416, 51.6008, 82.7131)
Luminance	0.5161 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CEE6 #E66951

analogous

#51E6B3 #51CEE6 #5183E6

triadic

#51CEE6 #E651CE #CEE651

tetradic

#51CEE6 #B351E6 #E66951 #83E651

square

#51CEE6 #B351E6 #E66951 #83E651

split-complementary

#51CEE6 #E65183 #E6B351

monochromatic

#188EA5 #1FBCDA #51CEE6 #87DDEE #BCECF5

Accessibility & contrast

On white

1.85

#51CEE6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.32

#51CEE6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CEE6

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CEE6	#FFFFFF	#000000	##000000
##51CEE6	1.00	1.85	11.32	11.32
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.32	21.00	1.00	1.00
##000000	11.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCC7E7

Deuteranopia (green-blind)

#A6B7E6

Tritanopia (blue-blind)

#00D8D5

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51cee6;
/* rgb */ color: rgb(81, 206, 230);
/* oklch */ color: oklch(79.1% 0.114 212.6);

Tailwind

colors: {
  custom: {
    50: '#92ddee',
    500: '#51cee6',
    950: '#000000',
  },
}

SCSS

$custom: #51cee6;
$custom-light: #92ddee;
$custom-dark: #000000;

JSON

{
  "hex": "#51cee6",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 230
  },
  "hsl": {
    "h": 189.664,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.79144,
    "c": 0.11368,
    "h": 212.6
  },
  "luminance": 0.51605
}

Semantic roles & 50–950 ramp

primary

#51CEE6

secondary

#A74734

accent

#2F0ED7

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51CEE6

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

Preview Lab → · Contrast checker → · Palette generator →