#51C8BD#51C8BD

#51C8BD is a light, moderate teal. Relative luminance 0.467; OKLCH L 76.3% C 0.107 H 186.8°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51C8BD
RGB	rgb(81, 200, 189)
HSL	hsl(174, 52%, 55%)
HSV	hsv(174, 60%, 78%)
CMYK	cmyk(59.5%, 0%, 5.5%, 21.6%)
CIE-LAB	lab(74.02, -35.77, -4.47)
CIE-LCH	lch(74.02, 36.05, 187.12°)
OKLab	oklab(76.28% -0.1066 -0.0126)
OKLCH	oklch(76.28% 0.107 186.8)
XYZ	xyz(33.2288, 46.7286, 55.4026)
Luminance	0.4673 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8BD #C8515C

analogous

#51C882 #51C8BD #5197C8

triadic

#51C8BD #BD51C8 #C8BD51

tetradic

#51C8BD #8251C8 #C8515C #97C851

square

#51C8BD #8251C8 #C8515C #97C851

split-complementary

#51C8BD #C85197 #C88251

monochromatic

#267971 #35A79C #51C8BD #80D7CF #AEE5E0

Accessibility & contrast

On white

2.03

#51C8BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#51C8BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8BD

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8BD	#FFFFFF	#000000	##000000
##51C8BD	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBEBD

Deuteranopia (green-blind)

#ACB0BE

Tritanopia (blue-blind)

#00CCC4

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c8bd;
/* rgb */ color: rgb(81, 200, 189);
/* oklch */ color: oklch(76.3% 0.107 186.8);

Tailwind

colors: {
  custom: {
    50: '#8ed9d0',
    500: '#51c8bd',
    950: '#000000',
  },
}

SCSS

$custom: #51c8bd;
$custom-light: #8ed9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8bd",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 189
  },
  "hsl": {
    "h": 174.454,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76281,
    "c": 0.10736,
    "h": 186.8
  },
  "luminance": 0.46732
}

Semantic roles & 50–950 ramp

primary

#51C8BD

secondary

#D3A1A6

accent

#4C5ADB

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #51C8BD

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

Preview Lab → · Contrast checker → · Palette generator →