#51D9D2#51D9D2

#51D9D2 is a light, moderate teal. Relative luminance 0.560; OKLCH L 81.0% C 0.117 H 190.3°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#51D9D2
RGB	rgb(81, 217, 210)
HSL	hsl(177, 64%, 58%)
HSV	hsv(177, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 3.2%, 14.9%)
CIE-LAB	lab(79.63, -38.01, -7.47)
CIE-LCH	lch(79.63, 38.74, 191.12°)
OKLab	oklab(81.03% -0.1151 -0.0209)
OKLCH	oklch(81.03% 0.117 190.3)
XYZ	xyz(39.8338, 56.0239, 69.6746)
Luminance	0.5603 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9D2 #D95158

analogous

#51D98E #51D9D2 #519CD9

triadic

#51D9D2 #D251D9 #D9D251

tetradic

#51D9D2 #8E51D9 #D95158 #9CD951

square

#51D9D2 #8E51D9 #D95158 #9CD951

split-complementary

#51D9D2 #D9519C #D98E51

monochromatic

#1F908A #2AC2BB #51D9D2 #83E4DF #B5EFEC

Accessibility & contrast

On white

1.72

#51D9D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#51D9D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9D2

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9D2	#FFFFFF	#000000	##000000
##51D9D2	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDCED2

Deuteranopia (green-blind)

#B8BFD3

Tritanopia (blue-blind)

#00DFD6

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9d2;
/* rgb */ color: rgb(81, 217, 210);
/* oklch */ color: oklch(81.0% 0.117 190.3);

Tailwind

colors: {
  custom: {
    50: '#91e5df',
    500: '#51d9d2',
    950: '#000000',
  },
}

SCSS

$custom: #51d9d2;
$custom-light: #91e5df;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9d2",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 210
  },
  "hsl": {
    "h": 176.912,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.81027,
    "c": 0.11698,
    "h": 190.3
  },
  "luminance": 0.56028
}

Semantic roles & 50–950 ramp

primary

#51D9D2

secondary

#95393E

accent

#4149E7

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #51D9D2

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

Preview Lab → · Contrast checker → · Palette generator →