#51D5DE#51D5DE

#51D5DE is a light, moderate teal. Relative luminance 0.546; OKLCH L 80.5% C 0.114 H 201.5°. Best body text is #000000 at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#51D5DE
RGB	rgb(81, 213, 222)
HSL	hsl(184, 68%, 59%)
HSV	hsv(184, 64%, 87%)
CMYK	cmyk(63.5%, 4.1%, 0%, 12.9%)
CIE-LAB	lab(78.81, -32.85, -15.10)
CIE-LCH	lch(78.81, 36.15, 204.69°)
OKLab	oklab(80.49% -0.106 -0.0418)
OKLCH	oklch(80.49% 0.114 201.5)
XYZ	xyz(40.3667, 54.6073, 77.5060)
Luminance	0.5461 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5DE #DE5A51

analogous

#51DEA1 #51D5DE #518FDE

triadic

#51D5DE #DE51D5 #D5DE51

tetradic

#51D5DE #A151DE #DE5A51 #8FDE51

square

#51D5DE #A151DE #DE5A51 #8FDE51

split-complementary

#51D5DE #DE518F #DEA151

monochromatic

#1D9098 #27C1CB #51D5DE #84E1E8 #B8EEF2

Accessibility & contrast

On white

1.76

#51D5DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.92

#51D5DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5DE

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5DE	#FFFFFF	#000000	##000000
##51D5DE	1.00	1.76	11.92	11.92
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.92	21.00	1.00	1.00
##000000	11.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CCDF

Deuteranopia (green-blind)

#B0BCDF

Tritanopia (blue-blind)

#00DDD7

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51d5de;
/* rgb */ color: rgb(81, 213, 222);
/* oklch */ color: oklch(80.5% 0.114 201.5);

Tailwind

colors: {
  custom: {
    50: '#92e2e8',
    500: '#51d5de',
    950: '#000000',
  },
}

SCSS

$custom: #51d5de;
$custom-light: #92e2e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5de",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 222
  },
  "hsl": {
    "h": 183.83,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80487,
    "c": 0.11396,
    "h": 201.5
  },
  "luminance": 0.54612
}

Semantic roles & 50–950 ramp

primary

#51D5DE

secondary

#9C3E37

accent

#483DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D5DE

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

Preview Lab → · Contrast checker → · Palette generator →