#51D9C8#51D9C8

#51D9C8 is a light, moderate teal. Relative luminance 0.555; OKLCH L 80.7% C 0.120 H 183.6°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#51D9C8
RGB	rgb(81, 217, 200)
HSL	hsl(173, 64%, 58%)
HSV	hsv(173, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 7.8%, 14.9%)
CIE-LAB	lab(79.35, -40.64, -2.54)
CIE-LCH	lch(79.35, 40.72, 183.57°)
OKLab	oklab(80.71% -0.1195 -0.0075)
OKLCH	oklch(80.71% 0.12 183.6)
XYZ	xyz(38.6267, 55.5410, 63.3172)
Luminance	0.5554 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9C8 #D95162

analogous

#51D984 #51D9C8 #51A6D9

triadic

#51D9C8 #C851D9 #D9C851

tetradic

#51D9C8 #8451D9 #D95162 #A6D951

square

#51D9C8 #8451D9 #D95162 #A6D951

split-complementary

#51D9C8 #D951A6 #D98451

monochromatic

#1F9082 #2AC2AF #51D9C8 #83E4D8 #B5EFE8

Accessibility & contrast

On white

1.73

#51D9C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#51D9C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9C8

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9C8	#FFFFFF	#000000	##000000
##51D9C8	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCDC7

Deuteranopia (green-blind)

#BBBECA

Tritanopia (blue-blind)

#00DDD4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9c8;
/* rgb */ color: rgb(81, 217, 200);
/* oklch */ color: oklch(80.7% 0.120 183.6);

Tailwind

colors: {
  custom: {
    50: '#91e5d8',
    500: '#51d9c8',
    950: '#000000',
  },
}

SCSS

$custom: #51d9c8;
$custom-light: #91e5d8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9c8",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 200
  },
  "hsl": {
    "h": 172.5,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80712,
    "c": 0.1197,
    "h": 183.6
  },
  "luminance": 0.55545
}

Semantic roles & 50–950 ramp

primary

#51D9C8

secondary

#953944

accent

#4155E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9C8

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

Preview Lab → · Contrast checker → · Palette generator →