#51D9CB#51D9CB

#51D9CB is a light, moderate teal. Relative luminance 0.557; OKLCH L 80.8% C 0.119 H 185.6°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#51D9CB
RGB	rgb(81, 217, 203)
HSL	hsl(174, 64%, 58%)
HSV	hsv(174, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 6.5%, 14.9%)
CIE-LAB	lab(79.43, -39.86, -4.02)
CIE-LCH	lch(79.43, 40.07, 185.76°)
OKLab	oklab(80.8% -0.1181 -0.0115)
OKLCH	oklch(80.8% 0.119 185.6)
XYZ	xyz(38.9808, 55.6826, 65.1818)
Luminance	0.5569 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9CB #D9515F

analogous

#51D987 #51D9CB #51A3D9

triadic

#51D9CB #CB51D9 #D9CB51

tetradic

#51D9CB #8751D9 #D9515F #A3D951

square

#51D9CB #8751D9 #D9515F #A3D951

split-complementary

#51D9CB #D951A3 #D98751

monochromatic

#1F9085 #2AC2B3 #51D9CB #83E4DA #B5EFE9

Accessibility & contrast

On white

1.73

#51D9CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#51D9CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9CB

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9CB	#FFFFFF	#000000	##000000
##51D9CB	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECB

Deuteranopia (green-blind)

#BABFCD

Tritanopia (blue-blind)

#00DED4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d9cb;
/* rgb */ color: rgb(81, 217, 203);
/* oklch */ color: oklch(80.8% 0.119 185.6);

Tailwind

colors: {
  custom: {
    50: '#91e5da',
    500: '#51d9cb',
    950: '#000000',
  },
}

SCSS

$custom: #51d9cb;
$custom-light: #91e5da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9cb",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 203
  },
  "hsl": {
    "h": 173.824,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80804,
    "c": 0.11871,
    "h": 185.6
  },
  "luminance": 0.55687
}

Semantic roles & 50–950 ramp

primary

#51D9CB

secondary

#953942

accent

#4152E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51D9CB

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

Preview Lab → · Contrast checker → · Palette generator →