#51C5BC#51C5BC

#51C5BC is a light, moderate teal. Relative luminance 0.453; OKLCH L 75.5% C 0.105 H 188.1°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#51C5BC
RGB	rgb(81, 197, 188)
HSL	hsl(175, 50%, 55%)
HSV	hsv(175, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 4.6%, 22.7%)
CIE-LAB	lab(73.10, -34.63, -5.29)
CIE-LCH	lch(73.10, 35.04, 188.68°)
OKLab	oklab(75.52% -0.1039 -0.0148)
OKLCH	oklch(75.52% 0.105 188.1)
XYZ	xyz(32.4327, 45.3093, 54.6036)
Luminance	0.4531 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C5BC #C5515A

analogous

#51C582 #51C5BC #5194C5

triadic

#51C5BC #BC51C5 #C5BC51

tetradic

#51C5BC #8251C5 #C5515A #94C551

square

#51C5BC #8251C5 #C5515A #94C551

split-complementary

#51C5BC #C55194 #C58251

monochromatic

#27756F #36A39A #51C5BC #7FD4CE #ADE4DF

Accessibility & contrast

On white

2.09

#51C5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.06

#51C5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C5BC

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C5BC	#FFFFFF	#000000	##000000
##51C5BC	1.00	2.09	10.06	10.06
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.06	21.00	1.00	1.00
##000000	10.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBBBBC

Deuteranopia (green-blind)

#A9AEBD

Tritanopia (blue-blind)

#00CAC2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c5bc;
/* rgb */ color: rgb(81, 197, 188);
/* oklch */ color: oklch(75.5% 0.105 188.1);

Tailwind

colors: {
  custom: {
    50: '#8ed7d0',
    500: '#51c5bc',
    950: '#000000',
  },
}

SCSS

$custom: #51c5bc;
$custom-light: #8ed7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c5bc",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 188
  },
  "hsl": {
    "h": 175.345,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.75525,
    "c": 0.10492,
    "h": 188.1
  },
  "luminance": 0.45313
}

Semantic roles & 50–950 ramp

primary

#51C5BC

secondary

#D1A0A4

accent

#4E59DA

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1413

muted

#7E8382

Preview Lab

Preview with #51C5BC

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

Preview Lab → · Contrast checker → · Palette generator →