#51E5E9#51E5E9

#51E5E9 is a very light, vivid teal. Relative luminance 0.637; OKLCH L 84.6% C 0.123 H 197.7°. Best body text is #000000 at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#51E5E9
RGB	rgb(81, 229, 233)
HSL	hsl(182, 78%, 62%)
HSV	hsv(182, 65%, 91%)
CMYK	cmyk(65.2%, 1.7%, 0%, 8.6%)
CIE-LAB	lab(83.79, -37.25, -13.49)
CIE-LCH	lch(83.79, 39.61, 199.90°)
OKLab	oklab(84.62% -0.1174 -0.0374)
OKLCH	oklch(84.62% 0.123 197.7)
XYZ	xyz(46.1141, 63.6660, 86.9334)
Luminance	0.6367 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5E9 #E95551

analogous

#51E9A1 #51E5E9 #5199E9

triadic

#51E5E9 #E951E5 #E5E951

tetradic

#51E5E9 #A151E9 #E95551 #99E951

square

#51E5E9 #A151E9 #E95551 #99E951

split-complementary

#51E5E9 #E95199 #E9A151

monochromatic

#16A6AA #1CDBE0 #51E5E9 #87EDF0 #BEF5F7

Accessibility & contrast

On white

1.53

#51E5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.73

#51E5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5E9

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5E9	#FFFFFF	#000000	##000000
##51E5E9	1.00	1.53	13.73	13.73
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.73	21.00	1.00	1.00
##000000	13.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6DBEA

Deuteranopia (green-blind)

#BFCAEA

Tritanopia (blue-blind)

#00EDE6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51e5e9;
/* rgb */ color: rgb(81, 229, 233);
/* oklch */ color: oklch(84.6% 0.123 197.7);

Tailwind

colors: {
  custom: {
    50: '#95edf0',
    500: '#51e5e9',
    950: '#000000',
  },
}

SCSS

$custom: #51e5e9;
$custom-light: #95edf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5e9",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 233
  },
  "hsl": {
    "h": 181.579,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.84623,
    "c": 0.12323,
    "h": 197.7
  },
  "luminance": 0.63671
}

Semantic roles & 50–950 ramp

primary

#51E5E9

secondary

#AB3633

accent

#110CDA

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1616

muted

#808585

Preview Lab

Preview with #51E5E9

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

Preview Lab → · Contrast checker → · Palette generator →