#51DCBB#51DCBB

#51DCBB is a light, vivid teal. Relative luminance 0.565; OKLCH L 81.1% C 0.129 H 174.2°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#51DCBB
RGB	rgb(81, 220, 187)
HSL	hsl(166, 67%, 59%)
HSV	hsv(166, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 15%, 13.7%)
CIE-LAB	lab(79.91, -45.21, 5.20)
CIE-LCH	lch(79.91, 45.51, 173.44°)
OKLab	oklab(81.05% -0.1283 0.0131)
OKLCH	oklch(81.05% 0.129 174.2)
XYZ	xyz(37.9518, 56.5195, 55.9133)
Luminance	0.5652 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DCBB #DC5172

analogous

#51DC76 #51DCBB #51B8DC

triadic

#51DCBB #BB51DC #DCBB51

tetradic

#51DCBB #7651DC #DC5172 #B8DC51

square

#51DCBB #7651DC #DC5172 #B8DC51

split-complementary

#51DCBB #DC51B8 #DC7651

monochromatic

#1E9578 #28C8A2 #51DCBB #84E6CF #B7F0E3

Accessibility & contrast

On white

1.71

#51DCBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#51DCBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DCBB

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DCBB	#FFFFFF	#000000	##000000
##51DCBB	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5CFB9

Deuteranopia (green-blind)

#C1C0BD

Tritanopia (blue-blind)

#00DED2

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51dcbb;
/* rgb */ color: rgb(81, 220, 187);
/* oklch */ color: oklch(81.1% 0.129 174.2);

Tailwind

colors: {
  custom: {
    50: '#91e7cf',
    500: '#51dcbb',
    950: '#000000',
  },
}

SCSS

$custom: #51dcbb;
$custom-light: #91e7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51dcbb",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 187
  },
  "hsl": {
    "h": 165.755,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.81055,
    "c": 0.129,
    "h": 174.2
  },
  "luminance": 0.56524
}

Semantic roles & 50–950 ramp

primary

#51DCBB

secondary

#99384F

accent

#3E67E9

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51DCBB

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

Preview Lab → · Contrast checker → · Palette generator →