#51DCE5#51DCE5

#51DCE5 is a very light, moderate teal. Relative luminance 0.586; OKLCH L 82.4% C 0.118 H 201.3°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#51DCE5
RGB	rgb(81, 220, 229)
HSL	hsl(184, 74%, 61%)
HSV	hsv(184, 65%, 90%)
CMYK	cmyk(64.6%, 3.9%, 0%, 10.2%)
CIE-LAB	lab(81.06, -34.18, -15.46)
CIE-LCH	lch(81.06, 37.51, 204.33°)
OKLab	oklab(82.38% -0.1101 -0.0428)
OKLCH	oklch(82.38% 0.118 201.3)
XYZ	xyz(43.1233, 58.5881, 83.1495)
Luminance	0.5859 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCE5 #E55A51

analogous

#51E5A4 #51DCE5 #5192E5

triadic

#51DCE5 #E551DC #DCE551

tetradic

#51DCE5 #A451E5 #E55A51 #92E551

square

#51DCE5 #A451E5 #E55A51 #92E551

split-complementary

#51DCE5 #E55192 #E5A451

monochromatic

#189BA3 #20CDD8 #51DCE5 #86E7ED #BBF1F5

Accessibility & contrast

On white

1.65

#51DCE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#51DCE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCE5

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCE5	#FFFFFF	#000000	##000000
##51DCE5	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD3E6

Deuteranopia (green-blind)

#B6C2E6

Tritanopia (blue-blind)

#00E4DE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dce5;
/* rgb */ color: rgb(81, 220, 229);
/* oklch */ color: oklch(82.4% 0.118 201.3);

Tailwind

colors: {
  custom: {
    50: '#93e7ed',
    500: '#51dce5',
    950: '#000000',
  },
}

SCSS

$custom: #51dce5;
$custom-light: #93e7ed;
$custom-dark: #000000;

JSON

{
  "hex": "#51dce5",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 229
  },
  "hsl": {
    "h": 183.649,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82377,
    "c": 0.11818,
    "h": 201.3
  },
  "luminance": 0.58593
}

Semantic roles & 50–950 ramp

primary

#51DCE5

secondary

#A63B35

accent

#1B0FD6

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51DCE5

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

Preview Lab → · Contrast checker → · Palette generator →