#51CBB9#51CBB9

#51CBB9 is a light, moderate teal. Relative luminance 0.480; OKLCH L 76.9% C 0.112 H 181.9°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#51CBB9
RGB	rgb(81, 203, 185)
HSL	hsl(171, 54%, 56%)
HSV	hsv(171, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 8.9%, 20.4%)
CIE-LAB	lab(74.80, -38.18, -1.15)
CIE-LCH	lch(74.80, 38.20, 181.73°)
OKLab	oklab(76.88% -0.1116 -0.0037)
OKLCH	oklch(76.88% 0.112 181.9)
XYZ	xyz(33.5022, 47.9605, 53.3812)
Luminance	0.4796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBB9 #CB5163

analogous

#51CB7C #51CBB9 #51A0CB

triadic

#51CBB9 #B951CB #CBB951

tetradic

#51CBB9 #7C51CB #CB5163 #A0CB51

square

#51CBB9 #7C51CB #CB5163 #A0CB51

split-complementary

#51CBB9 #CB51A0 #CB7C51

monochromatic

#257C70 #33AC9A #51CBB9 #80D9CC #AFE7DF

Accessibility & contrast

On white

1.98

#51CBB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#51CBB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBB9

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBB9	#FFFFFF	#000000	##000000
##51CBB9	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C0B8

Deuteranopia (green-blind)

#B0B2BB

Tritanopia (blue-blind)

#00CFC5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cbb9;
/* rgb */ color: rgb(81, 203, 185);
/* oklch */ color: oklch(76.9% 0.112 181.9);

Tailwind

colors: {
  custom: {
    50: '#8edbce',
    500: '#51cbb9',
    950: '#000000',
  },
}

SCSS

$custom: #51cbb9;
$custom-light: #8edbce;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbb9",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 185
  },
  "hsl": {
    "h": 171.148,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76881,
    "c": 0.11162,
    "h": 181.9
  },
  "luminance": 0.47964
}

Semantic roles & 50–950 ramp

primary

#51CBB9

secondary

#D5A3AA

accent

#4A60DD

background

#F9FDFC

surface

#F2FBF9

border

#CCD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #51CBB9

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

Preview Lab → · Contrast checker → · Palette generator →