#51E4E5#51E4E5

#51E4E5 is a very light, vivid teal. Relative luminance 0.629; OKLCH L 84.3% C 0.123 H 195.7°. Best body text is #000000 at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#51E4E5
RGB	rgb(81, 228, 229)
HSL	hsl(180, 74%, 61%)
HSV	hsv(180, 65%, 90%)
CMYK	cmyk(64.6%, 0.4%, 0%, 10.2%)
CIE-LAB	lab(83.38, -37.89, -11.98)
CIE-LCH	lch(83.38, 39.74, 197.55°)
OKLab	oklab(84.25% -0.1181 -0.0333)
OKLCH	oklch(84.25% 0.123 195.7)
XYZ	xyz(45.2733, 62.8882, 83.8662)
Luminance	0.6289 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4E5 #E55251

analogous

#51E59C #51E4E5 #519AE5

triadic

#51E4E5 #E551E4 #E4E551

tetradic

#51E4E5 #9C51E5 #E55251 #9AE551

square

#51E4E5 #9C51E5 #E55251 #9AE551

split-complementary

#51E4E5 #E5519A #E59C51

monochromatic

#18A2A3 #20D7D8 #51E4E5 #86ECED #BBF5F5

Accessibility & contrast

On white

1.55

#51E4E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.58

#51E4E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4E5

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4E5	#FFFFFF	#000000	##000000
##51E4E5	1.00	1.55	13.58	13.58
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.58	21.00	1.00	1.00
##000000	13.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5D9E5

Deuteranopia (green-blind)

#BFC9E6

Tritanopia (blue-blind)

#00EBE4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #51e4e5;
/* rgb */ color: rgb(81, 228, 229);
/* oklch */ color: oklch(84.3% 0.123 195.7);

Tailwind

colors: {
  custom: {
    50: '#94eded',
    500: '#51e4e5',
    950: '#000000',
  },
}

SCSS

$custom: #51e4e5;
$custom-light: #94eded;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4e5",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 229
  },
  "hsl": {
    "h": 180.405,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.84253,
    "c": 0.12268,
    "h": 195.7
  },
  "luminance": 0.62893
}

Semantic roles & 50–950 ramp

primary

#51E4E5

secondary

#A63535

accent

#110FD6

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #51E4E5

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

Preview Lab → · Contrast checker → · Palette generator →