#51D9BD#51D9BD

#51D9BD is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.125 H 176.7°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#51D9BD
RGB	rgb(81, 217, 189)
HSL	hsl(168, 64%, 58%)
HSV	hsv(168, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 12.9%, 14.9%)
CIE-LAB	lab(79.07, -43.42, 2.92)
CIE-LCH	lch(79.07, 43.52, 176.15°)
OKLab	oklab(80.39% -0.1244 0.0071)
OKLCH	oklch(80.39% 0.125 176.7)
XYZ	xyz(37.3871, 55.0452, 56.7887)
Luminance	0.5505 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9BD #D9516D

analogous

#51D979 #51D9BD #51B1D9

triadic

#51D9BD #BD51D9 #D9BD51

tetradic

#51D9BD #7951D9 #D9516D #B1D951

square

#51D9BD #7951D9 #D9516D #B1D951

split-complementary

#51D9BD #D951B1 #D97951

monochromatic

#1F9079 #2AC2A3 #51D9BD #83E4D0 #B5EFE3

Accessibility & contrast

On white

1.75

#51D9BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#51D9BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9BD

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9BD	#FFFFFF	#000000	##000000
##51D9BD	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBC

Deuteranopia (green-blind)

#BDBEBF

Tritanopia (blue-blind)

#00DCD1

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d9bd;
/* rgb */ color: rgb(81, 217, 189);
/* oklch */ color: oklch(80.4% 0.125 176.7);

Tailwind

colors: {
  custom: {
    50: '#90e5d0',
    500: '#51d9bd',
    950: '#000000',
  },
}

SCSS

$custom: #51d9bd;
$custom-light: #90e5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9bd",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 189
  },
  "hsl": {
    "h": 167.647,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80386,
    "c": 0.12456,
    "h": 176.7
  },
  "luminance": 0.55049
}

Semantic roles & 50–950 ramp

primary

#51D9BD

secondary

#95394C

accent

#4163E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9BD

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

Preview Lab → · Contrast checker → · Palette generator →