#51E9DC#51E9DC

#51E9DC is a very light, vivid teal. Relative luminance 0.652; OKLCH L 85.1% C 0.128 H 186.9°. Best body text is #000000 at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#51E9DC
RGB	rgb(81, 233, 220)
HSL	hsl(175, 78%, 62%)
HSV	hsv(175, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 5.6%, 8.6%)
CIE-LAB	lab(84.58, -42.56, -5.45)
CIE-LCH	lch(84.58, 42.91, 187.30°)
OKLab	oklab(85.14% -0.1269 -0.0154)
OKLCH	oklch(85.14% 0.128 186.9)
XYZ	xyz(45.4446, 65.1894, 77.8841)
Luminance	0.6519 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E9DC #E9515E

analogous

#51E990 #51E9DC #51AAE9

triadic

#51E9DC #DC51E9 #E9DC51

tetradic

#51E9DC #9051E9 #E9515E #AAE951

square

#51E9DC #9051E9 #E9515E #AAE951

split-complementary

#51E9DC #E951AA #E99051

monochromatic

#16AA9D #1CE0D0 #51E9DC #87F0E7 #BEF7F2

Accessibility & contrast

On white

1.50

#51E9DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.04

#51E9DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E9DC

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E9DC	#FFFFFF	#000000	##000000
##51E9DC	1.00	1.50	14.04	14.04
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.04	21.00	1.00	1.00
##000000	14.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDDDDC

Deuteranopia (green-blind)

#C7CCDE

Tritanopia (blue-blind)

#00EEE5

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #51e9dc;
/* rgb */ color: rgb(81, 233, 220);
/* oklch */ color: oklch(85.1% 0.128 186.9);

Tailwind

colors: {
  custom: {
    50: '#94f0e6',
    500: '#51e9dc',
    950: '#000000',
  },
}

SCSS

$custom: #51e9dc;
$custom-light: #94f0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e9dc",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 220
  },
  "hsl": {
    "h": 174.868,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.8514,
    "c": 0.1278,
    "h": 186.9
  },
  "luminance": 0.65194
}

Semantic roles & 50–950 ramp

primary

#51E9DC

secondary

#AB333D

accent

#0C1DDA

background

#FCFFFE

surface

#F5FEFC

border

#CFD6D5

text

#0F1716

muted

#808584

Preview Lab

Preview with #51E9DC

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

Preview Lab → · Contrast checker → · Palette generator →