#51C9BC#51C9BC

#51C9BC is a light, moderate teal. Relative luminance 0.472; OKLCH L 76.5% C 0.109 H 185.3°. Best body text is #000000 at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#51C9BC
RGB	rgb(81, 201, 188)
HSL	hsl(174, 53%, 55%)
HSV	hsv(174, 60%, 79%)
CMYK	cmyk(59.7%, 0%, 6.5%, 21.2%)
CIE-LAB	lab(74.29, -36.49, -3.53)
CIE-LCH	lch(74.29, 36.66, 185.52°)
OKLab	oklab(76.49% -0.1081 -0.0101)
OKLCH	oklch(76.49% 0.109 185.3)
XYZ	xyz(33.3530, 47.1500, 54.9103)
Luminance	0.4715 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C9BC #C9515E

analogous

#51C980 #51C9BC #519AC9

triadic

#51C9BC #BC51C9 #C9BC51

tetradic

#51C9BC #8051C9 #C9515E #9AC951

square

#51C9BC #8051C9 #C9515E #9AC951

split-complementary

#51C9BC #C9519A #C98051

monochromatic

#267A71 #34A99C #51C9BC #80D7CE #AEE6E0

Accessibility & contrast

On white

2.01

#51C9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.43

#51C9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C9BC

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C9BC	#FFFFFF	#000000	##000000
##51C9BC	1.00	2.01	10.43	10.43
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.43	21.00	1.00	1.00
##000000	10.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0BFBC

Deuteranopia (green-blind)

#ADB1BD

Tritanopia (blue-blind)

#00CDC5

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c9bc;
/* rgb */ color: rgb(81, 201, 188);
/* oklch */ color: oklch(76.5% 0.109 185.3);

Tailwind

colors: {
  custom: {
    50: '#8edad0',
    500: '#51c9bc',
    950: '#000000',
  },
}

SCSS

$custom: #51c9bc;
$custom-light: #8edad0;
$custom-dark: #000000;

JSON

{
  "hex": "#51c9bc",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 188
  },
  "hsl": {
    "h": 173.5,
    "s": 52.632,
    "l": 55.294
  },
  "oklch": {
    "l": 0.7649,
    "c": 0.10858,
    "h": 185.3
  },
  "luminance": 0.47153
}

Semantic roles & 50–950 ramp

primary

#51C9BC

secondary

#D4A2A7

accent

#4C5BDC

background

#F9FDFC

surface

#F2FBF9

border

#CCD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #51C9BC

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

Preview Lab → · Contrast checker → · Palette generator →