#51EEC9#51EEC9

#51EEC9 is a very light, vivid teal. Relative luminance 0.671; OKLCH L 85.8% C 0.141 H 173.9°. Best body text is #000000 at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#51EEC9
RGB	rgb(81, 238, 201)
HSL	hsl(166, 82%, 63%)
HSV	hsv(166, 66%, 93%)
CMYK	cmyk(66%, 0%, 15.5%, 6.7%)
CIE-LAB	lab(85.56, -49.49, 5.97)
CIE-LCH	lch(85.56, 49.85, 173.13°)
OKLab	oklab(85.78% -0.1402 0.015)
OKLCH	oklch(85.78% 0.141 173.9)
XYZ	xyz(44.5053, 67.1105, 65.8551)
Luminance	0.6712 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EEC9 #EE5176

analogous

#51EE7B #51EEC9 #51C4EE

triadic

#51EEC9 #C951EE #EEC951

tetradic

#51EEC9 #7B51EE #EE5176 #C4EE51

square

#51EEC9 #7B51EE #EE5176 #C4EE51

split-complementary

#51EEC9 #EE51C4 #EE7B51

monochromatic

#11B38D #19E9B8 #51EEC9 #89F3DA #C1F9EC

Accessibility & contrast

On white

1.46

#51EEC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.42

#51EEC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EEC9

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EEC9	#FFFFFF	#000000	##000000
##51EEC9	1.00	1.46	14.42	14.42
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.42	21.00	1.00	1.00
##000000	14.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6DFC7

Deuteranopia (green-blind)

#D0CFCC

Tritanopia (blue-blind)

#00F1E3

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #51eec9;
/* rgb */ color: rgb(81, 238, 201);
/* oklch */ color: oklch(85.8% 0.141 173.9);

Tailwind

colors: {
  custom: {
    50: '#94f4d9',
    500: '#51eec9',
    950: '#000000',
  },
}

SCSS

$custom: #51eec9;
$custom-light: #94f4d9;
$custom-dark: #000000;

JSON

{
  "hex": "#51eec9",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 201
  },
  "hsl": {
    "h": 165.86,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85777,
    "c": 0.14099,
    "h": 173.9
  },
  "luminance": 0.67115
}

Semantic roles & 50–950 ramp

primary

#51EEC9

secondary

#B3304F

accent

#073ADF

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #51EEC9

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

Preview Lab → · Contrast checker → · Palette generator →