#51C6D2#51C6D2

#51C6D2 is a light, moderate teal. Relative luminance 0.468; OKLCH L 76.5% C 0.105 H 204.6°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#51C6D2
RGB	rgb(81, 198, 210)
HSL	hsl(186, 59%, 57%)
HSV	hsv(186, 61%, 82%)
CMYK	cmyk(61.4%, 5.7%, 0%, 17.6%)
CIE-LAB	lab(74.05, -29.04, -15.80)
CIE-LCH	lch(74.05, 33.07, 208.55°)
OKLab	oklab(76.52% -0.0956 -0.0438)
OKLCH	oklch(76.52% 0.105 204.6)
XYZ	xyz(35.2154, 46.7869, 68.1352)
Luminance	0.4679 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C6D2 #D25D51

analogous

#51D29D #51C6D2 #5186D2

triadic

#51C6D2 #D251C6 #C6D251

tetradic

#51C6D2 #9D51D2 #D25D51 #86D251

square

#51C6D2 #9D51D2 #D25D51 #86D251

split-complementary

#51C6D2 #D25186 #D29D51

monochromatic

#237D86 #2FAAB7 #51C6D2 #82D6DF #B2E6EB

Accessibility & contrast

On white

2.03

#51C6D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#51C6D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C6D2

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C6D2	#FFFFFF	#000000	##000000
##51C6D2	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7BED3

Deuteranopia (green-blind)

#A4B0D2

Tritanopia (blue-blind)

#00CEC9

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c6d2;
/* rgb */ color: rgb(81, 198, 210);
/* oklch */ color: oklch(76.5% 0.105 204.6);

Tailwind

colors: {
  custom: {
    50: '#90d7df',
    500: '#51c6d2',
    950: '#000000',
  },
}

SCSS

$custom: #51c6d2;
$custom-light: #90d7df;
$custom-dark: #000000;

JSON

{
  "hex": "#51c6d2",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 210
  },
  "hsl": {
    "h": 185.581,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.76519,
    "c": 0.10511,
    "h": 204.6
  },
  "luminance": 0.46791
}

Semantic roles & 50–950 ramp

primary

#51C6D2

secondary

#DAAAA5

accent

#5446E2

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C6D2

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

Preview Lab → · Contrast checker → · Palette generator →