#51DDBB#51DDBB

#51DDBB is a light, vivid teal. Relative luminance 0.571; OKLCH L 81.3% C 0.130 H 173.7°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#51DDBB
RGB	rgb(81, 221, 187)
HSL	hsl(165, 67%, 59%)
HSV	hsv(165, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 15.4%, 13.3%)
CIE-LAB	lab(80.21, -45.64, 5.63)
CIE-LCH	lch(80.21, 45.99, 172.97°)
OKLab	oklab(81.3% -0.1294 0.0142)
OKLCH	oklch(81.3% 0.13 173.7)
XYZ	xyz(38.2151, 57.0460, 56.0011)
Luminance	0.5705 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDBB #DD5173

analogous

#51DD75 #51DDBB #51B9DD

triadic

#51DDBB #BB51DD #DDBB51

tetradic

#51DDBB #7551DD #DD5173 #B9DD51

square

#51DDBB #7551DD #DD5173 #B9DD51

split-complementary

#51DDBB #DD51B9 #DD7551

monochromatic

#1D9679 #27C9A2 #51DDBB #84E7CF #B7F1E3

Accessibility & contrast

On white

1.69

#51DDBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#51DDBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDBB

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDBB	#FFFFFF	#000000	##000000
##51DDBB	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6CFB9

Deuteranopia (green-blind)

#C2C1BD

Tritanopia (blue-blind)

#00DFD3

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51ddbb;
/* rgb */ color: rgb(81, 221, 187);
/* oklch */ color: oklch(81.3% 0.130 173.7);

Tailwind

colors: {
  custom: {
    50: '#91e8cf',
    500: '#51ddbb',
    950: '#000000',
  },
}

SCSS

$custom: #51ddbb;
$custom-light: #91e8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddbb",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 187
  },
  "hsl": {
    "h": 165.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81297,
    "c": 0.13014,
    "h": 173.7
  },
  "luminance": 0.5705
}

Semantic roles & 50–950 ramp

primary

#51DDBB

secondary

#9B3850

accent

#3E68EA

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51DDBB

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

Preview Lab → · Contrast checker → · Palette generator →