#51D8E7#51D8E7

#51D8E7 is a light, moderate teal. Relative luminance 0.566; OKLCH L 81.5% C 0.117 H 205.6°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#51D8E7
RGB	rgb(81, 216, 231)
HSL	hsl(186, 76%, 61%)
HSV	hsv(186, 65%, 91%)
CMYK	cmyk(64.9%, 6.5%, 0%, 9.4%)
CIE-LAB	lab(79.97, -31.71, -18.17)
CIE-LCH	lch(79.97, 36.55, 209.81°)
OKLab	oklab(81.51% -0.1053 -0.0504)
OKLCH	oklch(81.51% 0.117 205.6)
XYZ	xyz(42.3668, 56.6259, 84.2829)
Luminance	0.5663 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D8E7 #E76051

analogous

#51E7AB #51D8E7 #518DE7

triadic

#51D8E7 #E751D8 #D8E751

tetradic

#51D8E7 #AB51E7 #E76051 #8DE751

square

#51D8E7 #AB51E7 #E76051 #8DE751

split-complementary

#51D8E7 #E7518D #E7AB51

monochromatic

#1798A7 #1EC9DC #51D8E7 #87E4EE #BDF0F6

Accessibility & contrast

On white

1.70

#51D8E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#51D8E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D8E7

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D8E7	#FFFFFF	#000000	##000000
##51D8E7	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D0E8

Deuteranopia (green-blind)

#B1BFE7

Tritanopia (blue-blind)

#00E1DC

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d8e7;
/* rgb */ color: rgb(81, 216, 231);
/* oklch */ color: oklch(81.5% 0.117 205.6);

Tailwind

colors: {
  custom: {
    50: '#93e4ee',
    500: '#51d8e7',
    950: '#000000',
  },
}

SCSS

$custom: #51d8e7;
$custom-light: #93e4ee;
$custom-dark: #000000;

JSON

{
  "hex": "#51d8e7",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 231
  },
  "hsl": {
    "h": 186,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.81513,
    "c": 0.11678,
    "h": 205.6
  },
  "luminance": 0.56631
}

Semantic roles & 50–950 ramp

primary

#51D8E7

secondary

#A83F34

accent

#220ED8

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D8E7

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

Preview Lab → · Contrast checker → · Palette generator →