#51CBD9#51CBD9

#51CBD9 is a light, moderate teal. Relative luminance 0.495; OKLCH L 78.0% C 0.109 H 205.8°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#51CBD9
RGB	rgb(81, 203, 217)
HSL	hsl(186, 64%, 58%)
HSV	hsv(186, 63%, 85%)
CMYK	cmyk(62.7%, 6.5%, 0%, 14.9%)
CIE-LAB	lab(75.74, -29.47, -17.04)
CIE-LCH	lch(75.74, 34.05, 210.04°)
OKLab	oklab(77.95% -0.0979 -0.0472)
OKLCH	oklch(77.95% 0.109 205.8)
XYZ	xyz(37.2684, 49.4670, 73.2162)
Luminance	0.4947 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBD9 #D95F51

analogous

#51D9A3 #51CBD9 #5187D9

triadic

#51CBD9 #D951CB #CBD951

tetradic

#51CBD9 #A351D9 #D95F51 #87D951

square

#51CBD9 #A351D9 #D95F51 #87D951

split-complementary

#51CBD9 #D95187 #D9A351

monochromatic

#1F8590 #2AB3C2 #51CBD9 #83DAE4 #B5E9EF

Accessibility & contrast

On white

1.93

#51CBD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#51CBD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBD9

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBD9	#FFFFFF	#000000	##000000
##51CBD9	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC3DA

Deuteranopia (green-blind)

#A7B4D9

Tritanopia (blue-blind)

#00D3CF

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbd9;
/* rgb */ color: rgb(81, 203, 217);
/* oklch */ color: oklch(78.0% 0.109 205.8);

Tailwind

colors: {
  custom: {
    50: '#91dbe4',
    500: '#51cbd9',
    950: '#000000',
  },
}

SCSS

$custom: #51cbd9;
$custom-light: #91dbe4;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbd9",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 217
  },
  "hsl": {
    "h": 186.176,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.77954,
    "c": 0.10867,
    "h": 205.8
  },
  "luminance": 0.49471
}

Semantic roles & 50–950 ramp

primary

#51CBD9

secondary

#DEADA8

accent

#5241E7

background

#F9FDFD

surface

#F2FBFB

border

#CCD4D4

text

#0E1515

muted

#7E8383

Preview Lab

Preview with #51CBD9

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

Preview Lab → · Contrast checker → · Palette generator →