#51DEC4#51DEC4

#51DEC4 is a light, vivid teal. Relative luminance 0.580; OKLCH L 81.8% C 0.126 H 178.4°. Best body text is #000000 at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#51DEC4
RGB	rgb(81, 222, 196)
HSL	hsl(169, 68%, 59%)
HSV	hsv(169, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 11.7%, 12.9%)
CIE-LAB	lab(80.72, -43.87, 1.60)
CIE-LCH	lch(80.72, 43.90, 177.91°)
OKLab	oklab(81.79% -0.1263 0.0036)
OKLCH	oklch(81.79% 0.126 178.4)
XYZ	xyz(39.4737, 57.9731, 61.3235)
Luminance	0.5798 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DEC4 #DE516B

analogous

#51DE7E #51DEC4 #51B2DE

triadic

#51DEC4 #C451DE #DEC451

tetradic

#51DEC4 #7E51DE #DE516B #B2DE51

square

#51DEC4 #7E51DE #DE516B #B2DE51

split-complementary

#51DEC4 #DE51B2 #DE7E51

monochromatic

#1D9881 #27CBAD #51DEC4 #84E8D5 #B8F2E7

Accessibility & contrast

On white

1.67

#51DEC4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.60

#51DEC4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DEC4

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DEC4	#FFFFFF	#000000	##000000
##51DEC4	1.00	1.67	12.60	12.60
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.60	21.00	1.00	1.00
##000000	12.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5D1C3

Deuteranopia (green-blind)

#C1C2C6

Tritanopia (blue-blind)

#00E1D6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51dec4;
/* rgb */ color: rgb(81, 222, 196);
/* oklch */ color: oklch(81.8% 0.126 178.4);

Tailwind

colors: {
  custom: {
    50: '#91e9d5',
    500: '#51dec4',
    950: '#000000',
  },
}

SCSS

$custom: #51dec4;
$custom-light: #91e9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#51dec4",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 196
  },
  "hsl": {
    "h": 168.936,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.81793,
    "c": 0.1264,
    "h": 178.4
  },
  "luminance": 0.57977
}

Semantic roles & 50–950 ramp

primary

#51DEC4

secondary

#9C374A

accent

#3D5DEB

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DEC4

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

Preview Lab → · Contrast checker → · Palette generator →