#51D9BF#51D9BF

#51D9BF is a light, vivid teal. Relative luminance 0.551; OKLCH L 80.4% C 0.124 H 177.9°. Best body text is #000000 at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#51D9BF
RGB	rgb(81, 217, 191)
HSL	hsl(169, 64%, 58%)
HSV	hsv(169, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 12%, 14.9%)
CIE-LAB	lab(79.12, -42.93, 1.93)
CIE-LCH	lch(79.12, 42.97, 177.43°)
OKLab	oklab(80.44% -0.1235 0.0044)
OKLCH	oklch(80.44% 0.124 177.9)
XYZ	xyz(37.6057, 55.1326, 57.9399)
Luminance	0.5514 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9BF #D9516B

analogous

#51D97B #51D9BF #51AFD9

triadic

#51D9BF #BF51D9 #D9BF51

tetradic

#51D9BF #7B51D9 #D9516B #AFD951

square

#51D9BF #7B51D9 #D9516B #AFD951

split-complementary

#51D9BF #D951AF #D97B51

monochromatic

#1F907B #2AC2A5 #51D9BF #83E4D1 #B5EFE4

Accessibility & contrast

On white

1.75

#51D9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.03

#51D9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9BF

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9BF	#FFFFFF	#000000	##000000
##51D9BF	1.00	1.75	12.03	12.03
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.03	21.00	1.00	1.00
##000000	12.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBE

Deuteranopia (green-blind)

#BDBEC1

Tritanopia (blue-blind)

#00DCD1

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d9bf;
/* rgb */ color: rgb(81, 217, 191);
/* oklch */ color: oklch(80.4% 0.124 177.9);

Tailwind

colors: {
  custom: {
    50: '#90e5d2',
    500: '#51d9bf',
    950: '#000000',
  },
}

SCSS

$custom: #51d9bf;
$custom-light: #90e5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9bf",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 191
  },
  "hsl": {
    "h": 168.529,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80443,
    "c": 0.12354,
    "h": 177.9
  },
  "luminance": 0.55137
}

Semantic roles & 50–950 ramp

primary

#51D9BF

secondary

#95394B

accent

#4160E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9BF

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

Preview Lab → · Contrast checker → · Palette generator →