#51D5BD#51D5BD

#51D5BD is a light, vivid teal. Relative luminance 0.530; OKLCH L 79.4% C 0.120 H 178.8°. Best body text is #000000 at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#51D5BD
RGB	rgb(81, 213, 189)
HSL	hsl(169, 61%, 58%)
HSV	hsv(169, 62%, 84%)
CMYK	cmyk(62%, 0%, 11.3%, 16.5%)
CIE-LAB	lab(77.88, -41.66, 1.19)
CIE-LCH	lch(77.88, 41.68, 178.36°)
OKLab	oklab(79.42% -0.1202 0.0025)
OKLCH	oklch(79.42% 0.12 178.8)
XYZ	xyz(36.3686, 53.0081, 56.4492)
Luminance	0.5301 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5BD #D55169

analogous

#51D57B #51D5BD #51ABD5

triadic

#51D5BD #BD51D5 #D5BD51

tetradic

#51D5BD #7B51D5 #D55169 #ABD551

square

#51D5BD #7B51D5 #D55169 #ABD551

split-complementary

#51D5BD #D551AB #D57B51

monochromatic

#218A77 #2DBCA2 #51D5BD #82E1D0 #B4EDE2

Accessibility & contrast

On white

1.81

#51D5BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.60

#51D5BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5BD

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5BD	#FFFFFF	#000000	##000000
##51D5BD	1.00	1.81	11.60	11.60
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.60	21.00	1.00	1.00
##000000	11.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDC9BC

Deuteranopia (green-blind)

#B9BBBF

Tritanopia (blue-blind)

#00D8CE

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d5bd;
/* rgb */ color: rgb(81, 213, 189);
/* oklch */ color: oklch(79.4% 0.120 178.8);

Tailwind

colors: {
  custom: {
    50: '#90e2d0',
    500: '#51d5bd',
    950: '#000000',
  },
}

SCSS

$custom: #51d5bd;
$custom-light: #90e2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5bd",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 189
  },
  "hsl": {
    "h": 169.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79419,
    "c": 0.12026,
    "h": 178.8
  },
  "luminance": 0.53012
}

Semantic roles & 50–950 ramp

primary

#51D5BD

secondary

#903A4A

accent

#4461E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D5BD

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

Preview Lab → · Contrast checker → · Palette generator →