#51DDB5#51DDB5

#51DDB5 is a light, vivid teal. Relative luminance 0.568; OKLCH L 81.1% C 0.134 H 170.6°. Best body text is #000000 at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#51DDB5
RGB	rgb(81, 221, 181)
HSL	hsl(163, 67%, 59%)
HSV	hsv(163, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 18.1%, 13.3%)
CIE-LAB	lab(80.06, -47.07, 8.61)
CIE-LCH	lch(80.06, 47.85, 169.63°)
OKLab	oklab(81.14% -0.1321 0.022)
OKLCH	oklch(81.14% 0.134 170.6)
XYZ	xyz(37.5861, 56.7944, 52.6887)
Luminance	0.5680 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDB5 #DD5179

analogous

#51DD6F #51DDB5 #51BFDD

triadic

#51DDB5 #B551DD #DDB551

tetradic

#51DDB5 #6F51DD #DD5179 #BFDD51

square

#51DDB5 #6F51DD #DD5179 #BFDD51

split-complementary

#51DDB5 #DD51BF #DD6F51

monochromatic

#1D9674 #27C99B #51DDB5 #84E7CB #B7F1E1

Accessibility & contrast

On white

1.70

#51DDB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.36

#51DDB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDB5

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDB5	#FFFFFF	#000000	##000000
##51DDB5	1.00	1.70	12.36	12.36
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.36	21.00	1.00	1.00
##000000	12.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7CFB3

Deuteranopia (green-blind)

#C3C1B8

Tritanopia (blue-blind)

#00DFD1

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51ddb5;
/* rgb */ color: rgb(81, 221, 181);
/* oklch */ color: oklch(81.1% 0.134 170.6);

Tailwind

colors: {
  custom: {
    50: '#90e8cb',
    500: '#51ddb5',
    950: '#000000',
  },
}

SCSS

$custom: #51ddb5;
$custom-light: #90e8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddb5",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 181
  },
  "hsl": {
    "h": 162.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81135,
    "c": 0.13389,
    "h": 170.6
  },
  "luminance": 0.56798
}

Semantic roles & 50–950 ramp

primary

#51DDB5

secondary

#9B3854

accent

#3E6FEA

background

#FCFEFD

surface

#F5FDF9

border

#CFD5D2

text

#0E1613

muted

#7F8482

Preview Lab

Preview with #51DDB5

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

Preview Lab → · Contrast checker → · Palette generator →