#51D7E1#51D7E1

#51D7E1 is a light, moderate teal. Relative luminance 0.558; OKLCH L 81.1% C 0.115 H 202.2°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#51D7E1
RGB	rgb(81, 215, 225)
HSL	hsl(184, 71%, 60%)
HSV	hsv(184, 64%, 88%)
CMYK	cmyk(64%, 4.4%, 0%, 11.8%)
CIE-LAB	lab(79.49, -32.95, -15.69)
CIE-LCH	lch(79.49, 36.49, 205.47°)
OKLab	oklab(81.06% -0.1068 -0.0435)
OKLCH	oklch(81.06% 0.115 202.2)
XYZ	xyz(41.2785, 55.7819, 79.8111)
Luminance	0.5579 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7E1 #E15B51

analogous

#51E1A3 #51D7E1 #518FE1

triadic

#51D7E1 #E151D7 #D7E151

tetradic

#51D7E1 #A351E1 #E15B51 #8FE151

square

#51D7E1 #A351E1 #E15B51 #8FE151

split-complementary

#51D7E1 #E1518F #E1A351

monochromatic

#1B949D #24C5D1 #51D7E1 #85E3EA #B9EFF3

Accessibility & contrast

On white

1.73

#51D7E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#51D7E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7E1

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7E1	#FFFFFF	#000000	##000000
##51D7E1	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7CEE2

Deuteranopia (green-blind)

#B2BEE2

Tritanopia (blue-blind)

#00DFDA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d7e1;
/* rgb */ color: rgb(81, 215, 225);
/* oklch */ color: oklch(81.1% 0.115 202.2);

Tailwind

colors: {
  custom: {
    50: '#92e3ea',
    500: '#51d7e1',
    950: '#000000',
  },
}

SCSS

$custom: #51d7e1;
$custom-light: #92e3ea;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7e1",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 225
  },
  "hsl": {
    "h": 184.167,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81063,
    "c": 0.1153,
    "h": 202.2
  },
  "luminance": 0.55786
}

Semantic roles & 50–950 ramp

primary

#51D7E1

secondary

#A03E36

accent

#473AED

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D7E1

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

Preview Lab → · Contrast checker → · Palette generator →