#51EEC5#51EEC5

#51EEC5 is a very light, vivid teal. Relative luminance 0.669; OKLCH L 85.7% C 0.143 H 171.9°. Best body text is #000000 at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#51EEC5
RGB	rgb(81, 238, 197)
HSL	hsl(164, 82%, 63%)
HSV	hsv(164, 66%, 93%)
CMYK	cmyk(66%, 0%, 17.2%, 6.7%)
CIE-LAB	lab(85.47, -50.44, 7.92)
CIE-LCH	lch(85.47, 51.06, 171.07°)
OKLab	oklab(85.67% -0.142 0.0202)
OKLCH	oklch(85.67% 0.143 171.9)
XYZ	xyz(44.0408, 66.9247, 63.4092)
Luminance	0.6693 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EEC5 #EE517A

analogous

#51EE76 #51EEC5 #51C9EE

triadic

#51EEC5 #C551EE #EEC551

tetradic

#51EEC5 #7651EE #EE517A #C9EE51

square

#51EEC5 #7651EE #EE517A #C9EE51

split-complementary

#51EEC5 #EE51C9 #EE7651

monochromatic

#11B389 #19E9B2 #51EEC5 #89F3D8 #C1F9EA

Accessibility & contrast

On white

1.46

#51EEC5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.39

#51EEC5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EEC5

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EEC5	#FFFFFF	#000000	##000000
##51EEC5	1.00	1.46	14.39	14.39
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.39	21.00	1.00	1.00
##000000	14.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7DFC3

Deuteranopia (green-blind)

#D1CFC8

Tritanopia (blue-blind)

#00F0E2

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51eec5;
/* rgb */ color: rgb(81, 238, 197);
/* oklch */ color: oklch(85.7% 0.143 171.9);

Tailwind

colors: {
  custom: {
    50: '#93f4d6',
    500: '#51eec5',
    950: '#000000',
  },
}

SCSS

$custom: #51eec5;
$custom-light: #93f4d6;
$custom-dark: #000000;

JSON

{
  "hex": "#51eec5",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 197
  },
  "hsl": {
    "h": 164.331,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85669,
    "c": 0.1434,
    "h": 171.9
  },
  "luminance": 0.6693
}

Semantic roles & 50–950 ramp

primary

#51EEC5

secondary

#B33052

accent

#073FDF

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #51EEC5

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

Preview Lab → · Contrast checker → · Palette generator →