#51DBE5#51DBE5

#51DBE5 is a very light, moderate teal. Relative luminance 0.581; OKLCH L 82.1% C 0.118 H 202.0°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#51DBE5
RGB	rgb(81, 219, 229)
HSL	hsl(184, 74%, 61%)
HSV	hsv(184, 65%, 90%)
CMYK	cmyk(64.6%, 4.4%, 0%, 10.2%)
CIE-LAB	lab(80.77, -33.71, -15.89)
CIE-LCH	lch(80.77, 37.27, 205.24°)
OKLab	oklab(82.14% -0.1091 -0.0441)
OKLCH	oklch(82.14% 0.118 202)
XYZ	xyz(42.8616, 58.0648, 83.0623)
Luminance	0.5807 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBE5 #E55B51

analogous

#51E5A5 #51DBE5 #5191E5

triadic

#51DBE5 #E551DB #DBE551

tetradic

#51DBE5 #A551E5 #E55B51 #91E551

square

#51DBE5 #A551E5 #E55B51 #91E551

split-complementary

#51DBE5 #E55191 #E5A551

monochromatic

#189AA3 #20CCD8 #51DBE5 #86E6ED #BBF1F5

Accessibility & contrast

On white

1.66

#51DBE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.61

#51DBE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBE5

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBE5	#FFFFFF	#000000	##000000
##51DBE5	1.00	1.66	12.61	12.61
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.61	21.00	1.00	1.00
##000000	12.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD2E6

Deuteranopia (green-blind)

#B5C2E6

Tritanopia (blue-blind)

#00E3DE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51dbe5;
/* rgb */ color: rgb(81, 219, 229);
/* oklch */ color: oklch(82.1% 0.118 202.0);

Tailwind

colors: {
  custom: {
    50: '#93e6ed',
    500: '#51dbe5',
    950: '#000000',
  },
}

SCSS

$custom: #51dbe5;
$custom-light: #93e6ed;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbe5",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 229
  },
  "hsl": {
    "h": 184.054,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82143,
    "c": 0.11771,
    "h": 202
  },
  "luminance": 0.5807
}

Semantic roles & 50–950 ramp

primary

#51DBE5

secondary

#A63C35

accent

#1D0FD6

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #51DBE5

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

Preview Lab → · Contrast checker → · Palette generator →