#51D6EC#51D6EC

#51D6EC is a light, moderate teal. Relative luminance 0.559; OKLCH L 81.2% C 0.118 H 210.5°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#51D6EC
RGB	rgb(81, 214, 236)
HSL	hsl(189, 80%, 62%)
HSV	hsv(189, 66%, 93%)
CMYK	cmyk(65.7%, 9.3%, 0%, 7.5%)
CIE-LAB	lab(79.55, -29.30, -21.47)
CIE-LCH	lch(79.55, 36.33, 216.23°)
OKLab	oklab(81.23% -0.1014 -0.0596)
OKLCH	oklch(81.23% 0.118 210.5)
XYZ	xyz(42.5738, 55.8939, 87.8855)
Luminance	0.5590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D6EC #EC6751

analogous

#51ECB4 #51D6EC #5189EC

triadic

#51D6EC #EC51D6 #D6EC51

tetradic

#51D6EC #B451EC #EC6751 #89EC51

square

#51D6EC #B451EC #EC6751 #89EC51

split-complementary

#51D6EC #EC5189 #ECB451

monochromatic

#1399AF #1AC9E6 #51D6EC #88E3F2 #BFF0F8

Accessibility & contrast

On white

1.72

#51D6EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#51D6EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D6EC

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D6EC	#FFFFFF	#000000	##000000
##51D6EC	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CFED

Deuteranopia (green-blind)

#ADBEEC

Tritanopia (blue-blind)

#00E0DD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d6ec;
/* rgb */ color: rgb(81, 214, 236);
/* oklch */ color: oklch(81.2% 0.118 210.5);

Tailwind

colors: {
  custom: {
    50: '#93e3f2',
    500: '#51d6ec',
    950: '#000000',
  },
}

SCSS

$custom: #51d6ec;
$custom-light: #93e3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d6ec",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 236
  },
  "hsl": {
    "h": 188.516,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.81232,
    "c": 0.1176,
    "h": 210.5
  },
  "luminance": 0.55899
}

Semantic roles & 50–950 ramp

primary

#51D6EC

secondary

#B04331

accent

#2709DD

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #51D6EC

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

Preview Lab → · Contrast checker → · Palette generator →