#51DAE9#51DAE9

#51DAE9 is a very light, moderate teal. Relative luminance 0.578; OKLCH L 82.1% C 0.118 H 205.4°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#51DAE9
RGB	rgb(81, 218, 233)
HSL	hsl(186, 78%, 62%)
HSV	hsv(186, 65%, 91%)
CMYK	cmyk(65.2%, 6.4%, 0%, 8.6%)
CIE-LAB	lab(80.61, -32.10, -18.27)
CIE-LCH	lch(80.61, 36.93, 209.65°)
OKLab	oklab(82.05% -0.1065 -0.0507)
OKLCH	oklch(82.05% 0.118 205.4)
XYZ	xyz(43.1664, 57.7705, 85.9509)
Luminance	0.5777 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DAE9 #E96051

analogous

#51E9AC #51DAE9 #518EE9

triadic

#51DAE9 #E951DA #DAE951

tetradic

#51DAE9 #AC51E9 #E96051 #8EE951

square

#51DAE9 #AC51E9 #E96051 #8EE951

split-complementary

#51DAE9 #E9518E #E9AC51

monochromatic

#169BAA #1CCDE0 #51DAE9 #87E6F0 #BEF1F7

Accessibility & contrast

On white

1.67

#51DAE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#51DAE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DAE9

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DAE9	#FFFFFF	#000000	##000000
##51DAE9	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D2EA

Deuteranopia (green-blind)

#B2C1E9

Tritanopia (blue-blind)

#00E3DE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51dae9;
/* rgb */ color: rgb(81, 218, 233);
/* oklch */ color: oklch(82.1% 0.118 205.4);

Tailwind

colors: {
  custom: {
    50: '#93e6f0',
    500: '#51dae9',
    950: '#000000',
  },
}

SCSS

$custom: #51dae9;
$custom-light: #93e6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51dae9",
  "rgb": {
    "r": 81,
    "g": 218,
    "b": 233
  },
  "hsl": {
    "h": 185.921,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.82052,
    "c": 0.11797,
    "h": 205.4
  },
  "luminance": 0.57775
}

Semantic roles & 50–950 ramp

primary

#51DAE9

secondary

#AB3F33

accent

#200CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51DAE9

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

Preview Lab → · Contrast checker → · Palette generator →