#51DDDE#51DDDE

#51DDDE is a very light, moderate teal. Relative luminance 0.587; OKLCH L 82.4% C 0.119 H 195.8°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#51DDDE
RGB	rgb(81, 221, 222)
HSL	hsl(180, 68%, 59%)
HSV	hsv(180, 64%, 87%)
CMYK	cmyk(63.5%, 0.5%, 0%, 12.9%)
CIE-LAB	lab(81.14, -36.59, -11.61)
CIE-LCH	lch(81.14, 38.39, 197.61°)
OKLab	oklab(82.37% -0.114 -0.0322)
OKLCH	oklch(82.37% 0.119 195.8)
XYZ	xyz(42.4288, 58.7315, 78.1933)
Luminance	0.5874 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDDE #DE5251

analogous

#51DE99 #51DDDE #5196DE

triadic

#51DDDE #DE51DD #DDDE51

tetradic

#51DDDE #9951DE #DE5251 #96DE51

square

#51DDDE #9951DE #DE5251 #96DE51

split-complementary

#51DDDE #DE5196 #DE9951

monochromatic

#1D9798 #27CACB #51DDDE #84E7E8 #B8F1F2

Accessibility & contrast

On white

1.65

#51DDDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#51DDDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDDE

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDDE	#FFFFFF	#000000	##000000
##51DDDE	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD3DE

Deuteranopia (green-blind)

#B9C3DF

Tritanopia (blue-blind)

#00E4DD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51ddde;
/* rgb */ color: rgb(81, 221, 222);
/* oklch */ color: oklch(82.4% 0.119 195.8);

Tailwind

colors: {
  custom: {
    50: '#93e8e8',
    500: '#51ddde',
    950: '#000000',
  },
}

SCSS

$custom: #51ddde;
$custom-light: #93e8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddde",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 222
  },
  "hsl": {
    "h": 180.426,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.82371,
    "c": 0.11851,
    "h": 195.8
  },
  "luminance": 0.58736
}

Semantic roles & 50–950 ramp

primary

#51DDDE

secondary

#9C3837

accent

#3E3DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DDDE

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

Preview Lab → · Contrast checker → · Palette generator →