#51DDC9#51DDC9

#51DDC9 is a light, vivid teal. Relative luminance 0.577; OKLCH L 81.7% C 0.123 H 181.9°. Best body text is #000000 at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#51DDC9
RGB	rgb(81, 221, 201)
HSL	hsl(171, 67%, 59%)
HSV	hsv(171, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 9%, 13.3%)
CIE-LAB	lab(80.56, -42.17, -1.30)
CIE-LCH	lch(80.56, 42.19, 181.77°)
OKLab	oklab(81.7% -0.1231 -0.0042)
OKLCH	oklch(81.7% 0.123 181.9)
XYZ	xyz(39.7875, 57.6750, 64.2825)
Luminance	0.5768 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDC9 #DD5165

analogous

#51DD83 #51DDC9 #51ABDD

triadic

#51DDC9 #C951DD #DDC951

tetradic

#51DDC9 #8351DD #DD5165 #ABDD51

square

#51DDC9 #8351DD #DD5165 #ABDD51

split-complementary

#51DDC9 #DD51AB #DD8351

monochromatic

#1D9685 #27C9B2 #51DDC9 #84E7D9 #B7F1E9

Accessibility & contrast

On white

1.68

#51DDC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.54

#51DDC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDC9

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDC9	#FFFFFF	#000000	##000000
##51DDC9	1.00	1.68	12.54	12.54
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.54	21.00	1.00	1.00
##000000	12.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3D1C8

Deuteranopia (green-blind)

#BFC2CB

Tritanopia (blue-blind)

#00E1D7

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51ddc9;
/* rgb */ color: rgb(81, 221, 201);
/* oklch */ color: oklch(81.7% 0.123 181.9);

Tailwind

colors: {
  custom: {
    50: '#91e8d9',
    500: '#51ddc9',
    950: '#000000',
  },
}

SCSS

$custom: #51ddc9;
$custom-light: #91e8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddc9",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 201
  },
  "hsl": {
    "h": 171.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81701,
    "c": 0.12318,
    "h": 181.9
  },
  "luminance": 0.57679
}

Semantic roles & 50–950 ramp

primary

#51DDC9

secondary

#9B3846

accent

#3E56EA

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DDC9

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

Preview Lab → · Contrast checker → · Palette generator →