#51D9CA#51D9CA

#51D9CA is a light, moderate teal. Relative luminance 0.556; OKLCH L 80.8% C 0.119 H 184.9°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#51D9CA
RGB	rgb(81, 217, 202)
HSL	hsl(173, 64%, 58%)
HSV	hsv(173, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 6.9%, 14.9%)
CIE-LAB	lab(79.41, -40.12, -3.53)
CIE-LCH	lch(79.41, 40.28, 185.02°)
OKLab	oklab(80.77% -0.1186 -0.0102)
OKLCH	oklch(80.77% 0.119 184.9)
XYZ	xyz(38.8620, 55.6351, 64.5562)
Luminance	0.5564 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9CA #D95160

analogous

#51D986 #51D9CA #51A4D9

triadic

#51D9CA #CA51D9 #D9CA51

tetradic

#51D9CA #8651D9 #D95160 #A4D951

square

#51D9CA #8651D9 #D95160 #A4D951

split-complementary

#51D9CA #D951A4 #D98651

monochromatic

#1F9084 #2AC2B2 #51D9CA #83E4D9 #B5EFE9

Accessibility & contrast

On white

1.73

#51D9CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#51D9CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9CA

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9CA	#FFFFFF	#000000	##000000
##51D9CA	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCDCA

Deuteranopia (green-blind)

#BABECC

Tritanopia (blue-blind)

#00DDD4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9ca;
/* rgb */ color: rgb(81, 217, 202);
/* oklch */ color: oklch(80.8% 0.119 184.9);

Tailwind

colors: {
  custom: {
    50: '#91e5da',
    500: '#51d9ca',
    950: '#000000',
  },
}

SCSS

$custom: #51d9ca;
$custom-light: #91e5da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9ca",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 202
  },
  "hsl": {
    "h": 173.382,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80773,
    "c": 0.11902,
    "h": 184.9
  },
  "luminance": 0.55639
}

Semantic roles & 50–950 ramp

primary

#51D9CA

secondary

#953943

accent

#4153E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9CA

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

Preview Lab → · Contrast checker → · Palette generator →