#51C1BC#51C1BC

#51C1BC is a light, moderate teal. Relative luminance 0.435; OKLCH L 74.6% C 0.102 H 191.1°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#51C1BC
RGB	rgb(81, 193, 188)
HSL	hsl(177, 47%, 54%)
HSV	hsv(177, 58%, 76%)
CMYK	cmyk(58%, 0%, 2.6%, 24.3%)
CIE-LAB	lab(71.90, -32.75, -7.05)
CIE-LCH	lch(71.90, 33.50, 192.14°)
OKLab	oklab(74.56% -0.0996 -0.0196)
OKLCH	oklch(74.56% 0.102 191.1)
XYZ	xyz(31.5365, 43.5169, 54.3048)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C1BC #C15156

analogous

#51C184 #51C1BC #518EC1

triadic

#51C1BC #BC51C1 #C1BC51

tetradic

#51C1BC #8451C1 #C15156 #8EC151

square

#51C1BC #8451C1 #C15156 #8EC151

split-complementary

#51C1BC #C1518E #C18451

monochromatic

#28706D #389D98 #51C1BC #7ED1CD #ABE1DF

Accessibility & contrast

On white

2.16

#51C1BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#51C1BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C1BC

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C1BC	#FFFFFF	#000000	##000000
##51C1BC	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7B8BC

Deuteranopia (green-blind)

#A5ABBD

Tritanopia (blue-blind)

#00C6BF

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c1bc;
/* rgb */ color: rgb(81, 193, 188);
/* oklch */ color: oklch(74.6% 0.102 191.1);

Tailwind

colors: {
  custom: {
    50: '#8dd4d0',
    500: '#51c1bc',
    950: '#000000',
  },
}

SCSS

$custom: #51c1bc;
$custom-light: #8dd4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c1bc",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 188
  },
  "hsl": {
    "h": 177.321,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74561,
    "c": 0.1015,
    "h": 191.1
  },
  "luminance": 0.4352
}

Semantic roles & 50–950 ramp

primary

#51C1BC

secondary

#CF9FA1

accent

#5157D7

background

#F9FDFC

surface

#F1FAF9

border

#CBD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #51C1BC

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

Preview Lab → · Contrast checker → · Palette generator →