#51D5B2#51D5B2

#51D5B2 is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.1% C 0.126 H 172.3°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#51D5B2
RGB	rgb(81, 213, 178)
HSL	hsl(164, 61%, 58%)
HSV	hsv(164, 62%, 84%)
CMYK	cmyk(62%, 0%, 16.4%, 16.5%)
CIE-LAB	lab(77.61, -44.35, 6.68)
CIE-LCH	lch(77.61, 44.85, 171.43°)
OKLab	oklab(79.11% -0.1252 0.017)
OKLCH	oklch(79.11% 0.126 172.3)
XYZ	xyz(35.2196, 52.5485, 50.3976)
Luminance	0.5255 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5B2 #D55174

analogous

#51D570 #51D5B2 #51B6D5

triadic

#51D5B2 #B251D5 #D5B251

tetradic

#51D5B2 #7051D5 #D55174 #B6D551

square

#51D5B2 #7051D5 #D55174 #B6D551

split-complementary

#51D5B2 #D551B6 #D57051

monochromatic

#218A6E #2DBC96 #51D5B2 #82E1C8 #B4EDDE

Accessibility & contrast

On white

1.82

#51D5B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#51D5B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5B2

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5B2	#FFFFFF	#000000	##000000
##51D5B2	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFC8B0

Deuteranopia (green-blind)

#BCBAB4

Tritanopia (blue-blind)

#00D7CB

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d5b2;
/* rgb */ color: rgb(81, 213, 178);
/* oklch */ color: oklch(79.1% 0.126 172.3);

Tailwind

colors: {
  custom: {
    50: '#8fe2c9',
    500: '#51d5b2',
    950: '#000000',
  },
}

SCSS

$custom: #51d5b2;
$custom-light: #8fe2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5b2",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 178
  },
  "hsl": {
    "h": 164.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79107,
    "c": 0.12634,
    "h": 172.3
  },
  "luminance": 0.52552
}

Semantic roles & 50–950 ramp

primary

#51D5B2

secondary

#903A51

accent

#446EE4

background

#FCFEFD

surface

#F5FCF9

border

#CFD5D2

text

#0E1513

muted

#7F8482

Preview Lab

Preview with #51D5B2

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

Preview Lab → · Contrast checker → · Palette generator →