#51DBE4#51DBE4

#51DBE4 is a very light, moderate teal. Relative luminance 0.580; OKLCH L 82.1% C 0.118 H 201.3°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#51DBE4
RGB	rgb(81, 219, 228)
HSL	hsl(184, 73%, 61%)
HSV	hsv(184, 64%, 89%)
CMYK	cmyk(64.5%, 3.9%, 0%, 10.6%)
CIE-LAB	lab(80.74, -33.99, -15.41)
CIE-LCH	lch(80.74, 37.32, 204.38°)
OKLab	oklab(82.11% -0.1096 -0.0427)
OKLCH	oklch(82.11% 0.118 201.3)
XYZ	xyz(42.7224, 58.0091, 82.3291)
Luminance	0.5801 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBE4 #E45A51

analogous

#51E4A3 #51DBE4 #5192E4

triadic

#51DBE4 #E451DB #DBE451

tetradic

#51DBE4 #A351E4 #E45A51 #92E451

square

#51DBE4 #A351E4 #E45A51 #92E451

split-complementary

#51DBE4 #E45192 #E4A351

monochromatic

#1999A2 #21CBD7 #51DBE4 #86E6EC #BBF1F4

Accessibility & contrast

On white

1.67

#51DBE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#51DBE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBE4

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBE4	#FFFFFF	#000000	##000000
##51DBE4	1.00	1.67	12.60	12.60
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.60	21.00	1.00	1.00
##000000	12.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD2E5

Deuteranopia (green-blind)

#B5C1E5

Tritanopia (blue-blind)

#00E3DD

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51dbe4;
/* rgb */ color: rgb(81, 219, 228);
/* oklch */ color: oklch(82.1% 0.118 201.3);

Tailwind

colors: {
  custom: {
    50: '#93e6ec',
    500: '#51dbe4',
    950: '#000000',
  },
}

SCSS

$custom: #51dbe4;
$custom-light: #93e6ec;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbe4",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 228
  },
  "hsl": {
    "h": 183.673,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82107,
    "c": 0.11759,
    "h": 201.3
  },
  "luminance": 0.58014
}

Semantic roles & 50–950 ramp

primary

#51DBE4

secondary

#A43C35

accent

#1C10D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DBE4

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

Preview Lab → · Contrast checker → · Palette generator →