#51BCB2#51BCB2

#51BCB2 is a light, moderate teal. Relative luminance 0.409; OKLCH L 73.0% C 0.099 H 186.9°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#51BCB2
RGB	rgb(81, 188, 178)
HSL	hsl(174, 44%, 53%)
HSV	hsv(174, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 5.3%, 26.3%)
CIE-LAB	lab(70.12, -33.05, -4.21)
CIE-LCH	lch(70.12, 33.31, 187.26°)
OKLab	oklab(73.03% -0.0986 -0.0119)
OKLCH	oklch(73.03% 0.099 186.9)
XYZ	xyz(29.4089, 40.9272, 48.4607)
Luminance	0.4093 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCB2 #BC515B

analogous

#51BC7D #51BCB2 #5190BC

triadic

#51BCB2 #B251BC #BCB251

tetradic

#51BCB2 #7D51BC #BC515B #90BC51

square

#51BCB2 #7D51BC #BC515B #90BC51

split-complementary

#51BCB2 #BC5190 #BC7D51

monochromatic

#296A64 #3A968D #51BCB2 #7DCDC6 #A9DED9

Accessibility & contrast

On white

2.29

#51BCB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#51BCB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCB2

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCB2	#FFFFFF	#000000	##000000
##51BCB2	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3B3B2

Deuteranopia (green-blind)

#A2A6B3

Tritanopia (blue-blind)

#00C0B9

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bcb2;
/* rgb */ color: rgb(81, 188, 178);
/* oklch */ color: oklch(73.0% 0.099 186.9);

Tailwind

colors: {
  custom: {
    50: '#8cd0c9',
    500: '#51bcb2',
    950: '#000000',
  },
}

SCSS

$custom: #51bcb2;
$custom-light: #8cd0c9;
$custom-dark: #000000;

JSON

{
  "hex": "#51bcb2",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 178
  },
  "hsl": {
    "h": 174.393,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.73026,
    "c": 0.09929,
    "h": 186.9
  },
  "luminance": 0.4093
}

Semantic roles & 50–950 ramp

primary

#51BCB2

secondary

#CC9DA2

accent

#5460D4

background

#F9FCFC

surface

#F1F9F8

border

#CBD2D1

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BCB2

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

Preview Lab → · Contrast checker → · Palette generator →