#51D4DE#51D4DE

#51D4DE is a light, moderate teal. Relative luminance 0.541; OKLCH L 80.3% C 0.113 H 202.3°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#51D4DE
RGB	rgb(81, 212, 222)
HSL	hsl(184, 68%, 59%)
HSV	hsv(184, 64%, 87%)
CMYK	cmyk(63.5%, 4.5%, 0%, 12.9%)
CIE-LAB	lab(78.52, -32.37, -15.54)
CIE-LCH	lch(78.52, 35.91, 205.64°)
OKLab	oklab(80.25% -0.105 -0.0431)
OKLCH	oklch(80.25% 0.113 202.3)
XYZ	xyz(40.1160, 54.1059, 77.4224)
Luminance	0.5411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D4DE #DE5B51

analogous

#51DEA1 #51D4DE #518EDE

triadic

#51D4DE #DE51D4 #D4DE51

tetradic

#51D4DE #A151DE #DE5B51 #8EDE51

square

#51D4DE #A151DE #DE5B51 #8EDE51

split-complementary

#51D4DE #DE518E #DEA151

monochromatic

#1D8F98 #27C0CB #51D4DE #84E1E8 #B8EDF2

Accessibility & contrast

On white

1.78

#51D4DE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#51D4DE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4DE

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D4DE	#FFFFFF	#000000	##000000
##51D4DE	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CBDF

Deuteranopia (green-blind)

#AFBCDF

Tritanopia (blue-blind)

#00DCD7

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d4de;
/* rgb */ color: rgb(81, 212, 222);
/* oklch */ color: oklch(80.3% 0.113 202.3);

Tailwind

colors: {
  custom: {
    50: '#92e1e8',
    500: '#51d4de',
    950: '#000000',
  },
}

SCSS

$custom: #51d4de;
$custom-light: #92e1e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d4de",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 222
  },
  "hsl": {
    "h": 184.255,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80252,
    "c": 0.11348,
    "h": 202.3
  },
  "luminance": 0.5411
}

Semantic roles & 50–950 ramp

primary

#51D4DE

secondary

#9C3E37

accent

#493DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D4DE

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

Preview Lab → · Contrast checker → · Palette generator →