#51DBBB#51DBBB

#51DBBB is a light, vivid teal. Relative luminance 0.560; OKLCH L 80.8% C 0.128 H 174.6°. Best body text is #000000 at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#51DBBB
RGB	rgb(81, 219, 187)
HSL	hsl(166, 66%, 59%)
HSV	hsv(166, 63%, 86%)
CMYK	cmyk(63%, 0%, 14.6%, 14.1%)
CIE-LAB	lab(79.61, -44.78, 4.77)
CIE-LCH	lch(79.61, 45.03, 173.92°)
OKLab	oklab(80.81% -0.1273 0.012)
OKLCH	oklch(80.81% 0.128 174.6)
XYZ	xyz(37.6902, 55.9962, 55.8261)
Luminance	0.5600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBBB #DB5171

analogous

#51DB76 #51DBBB #51B6DB

triadic

#51DBBB #BB51DB #DBBB51

tetradic

#51DBBB #7651DB #DB5171 #B6DB51

square

#51DBBB #7651DB #DB5171 #B6DB51

split-complementary

#51DBBB #DB51B6 #DB7651

monochromatic

#1E9378 #29C6A1 #51DBBB #84E5CF #B6F0E3

Accessibility & contrast

On white

1.72

#51DBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.20

#51DBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBBB

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBBB	#FFFFFF	#000000	##000000
##51DBBB	1.00	1.72	12.20	12.20
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.20	21.00	1.00	1.00
##000000	12.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4CEBA

Deuteranopia (green-blind)

#C0BFBD

Tritanopia (blue-blind)

#00DDD2

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51dbbb;
/* rgb */ color: rgb(81, 219, 187);
/* oklch */ color: oklch(80.8% 0.128 174.6);

Tailwind

colors: {
  custom: {
    50: '#90e7cf',
    500: '#51dbbb',
    950: '#000000',
  },
}

SCSS

$custom: #51dbbb;
$custom-light: #90e7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbbb",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 187
  },
  "hsl": {
    "h": 166.087,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.80813,
    "c": 0.12787,
    "h": 174.6
  },
  "luminance": 0.56
}

Semantic roles & 50–950 ramp

primary

#51DBBB

secondary

#98384E

accent

#3F66E9

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51DBBB

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

Preview Lab → · Contrast checker → · Palette generator →