#51C1BF#51C1BF

#51C1BF is a light, moderate teal. Relative luminance 0.437; OKLCH L 74.7% C 0.101 H 193.6°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#51C1BF
RGB	rgb(81, 193, 191)
HSL	hsl(179, 47%, 54%)
HSV	hsv(179, 58%, 76%)
CMYK	cmyk(58%, 0%, 1%, 24.3%)
CIE-LAB	lab(71.99, -31.94, -8.55)
CIE-LCH	lch(71.99, 33.06, 194.99°)
OKLab	oklab(74.66% -0.0983 -0.0237)
OKLCH	oklch(74.66% 0.101 193.6)
XYZ	xyz(31.8632, 43.6476, 56.0257)
Luminance	0.4365 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C1BF #C15153

analogous

#51C187 #51C1BF #518BC1

triadic

#51C1BF #BF51C1 #C1BF51

tetradic

#51C1BF #8751C1 #C15153 #8BC151

square

#51C1BF #8751C1 #C15153 #8BC151

split-complementary

#51C1BF #C1518B #C18751

monochromatic

#28706E #389D9B #51C1BF #7ED1D0 #ABE1E0

Accessibility & contrast

On white

2.16

#51C1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#51C1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C1BF

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C1BF	#FFFFFF	#000000	##000000
##51C1BF	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6B8BF

Deuteranopia (green-blind)

#A4ABC0

Tritanopia (blue-blind)

#00C6C0

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c1bf;
/* rgb */ color: rgb(81, 193, 191);
/* oklch */ color: oklch(74.7% 0.101 193.6);

Tailwind

colors: {
  custom: {
    50: '#8ed4d2',
    500: '#51c1bf',
    950: '#000000',
  },
}

SCSS

$custom: #51c1bf;
$custom-light: #8ed4d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51c1bf",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 191
  },
  "hsl": {
    "h": 178.929,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74661,
    "c": 0.10112,
    "h": 193.6
  },
  "luminance": 0.43651
}

Semantic roles & 50–950 ramp

primary

#51C1BF

secondary

#CF9FA0

accent

#5153D7

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #51C1BF

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

Preview Lab → · Contrast checker → · Palette generator →