#51DDD5#51DDD5

#51DDD5 is a very light, moderate teal. Relative luminance 0.583; OKLCH L 82.1% C 0.120 H 189.7°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#51DDD5
RGB	rgb(81, 221, 213)
HSL	hsl(177, 67%, 59%)
HSV	hsv(177, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 3.6%, 13.3%)
CIE-LAB	lab(80.88, -39.03, -7.21)
CIE-LCH	lch(80.88, 39.69, 190.46°)
OKLab	oklab(82.07% -0.1179 -0.0202)
OKLCH	oklch(82.07% 0.12 189.7)
XYZ	xyz(41.2546, 58.2618, 72.0094)
Luminance	0.5827 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDD5 #DD5159

analogous

#51DD8F #51DDD5 #519FDD

triadic

#51DDD5 #D551DD #DDD551

tetradic

#51DDD5 #8F51DD #DD5159 #9FDD51

square

#51DDD5 #8F51DD #DD5159 #9FDD51

split-complementary

#51DDD5 #DD519F #DD8F51

monochromatic

#1D968F #27C9C0 #51DDD5 #84E7E1 #B7F1EE

Accessibility & contrast

On white

1.66

#51DDD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#51DDD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDD5

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDD5	#FFFFFF	#000000	##000000
##51DDD5	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1D2D5

Deuteranopia (green-blind)

#BCC2D6

Tritanopia (blue-blind)

#00E3DA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51ddd5;
/* rgb */ color: rgb(81, 221, 213);
/* oklch */ color: oklch(82.1% 0.120 189.7);

Tailwind

colors: {
  custom: {
    50: '#92e8e1',
    500: '#51ddd5',
    950: '#000000',
  },
}

SCSS

$custom: #51ddd5;
$custom-light: #92e8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddd5",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 213
  },
  "hsl": {
    "h": 176.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.82074,
    "c": 0.11959,
    "h": 189.7
  },
  "luminance": 0.58266
}

Semantic roles & 50–950 ramp

primary

#51DDD5

secondary

#9B383D

accent

#3E47EA

background

#FCFEFE

surface

#F5FDFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51DDD5

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

Preview Lab → · Contrast checker → · Palette generator →