#51D9BC#51D9BC

#51D9BC is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.125 H 176.2°. Best body text is #000000 at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#51D9BC
RGB	rgb(81, 217, 188)
HSL	hsl(167, 64%, 58%)
HSV	hsv(167, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 13.4%, 14.9%)
CIE-LAB	lab(79.04, -43.67, 3.42)
CIE-LCH	lch(79.04, 43.80, 175.53°)
OKLab	oklab(80.36% -0.1248 0.0084)
OKLCH	oklch(80.36% 0.125 176.2)
XYZ	xyz(37.2790, 55.0019, 56.2190)
Luminance	0.5501 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D9BC #D9516E

analogous

#51D978 #51D9BC #51B2D9

triadic

#51D9BC #BC51D9 #D9BC51

tetradic

#51D9BC #7851D9 #D9516E #B2D951

square

#51D9BC #7851D9 #D9516E #B2D951

split-complementary

#51D9BC #D951B2 #D97851

monochromatic

#1F9078 #2AC2A2 #51D9BC #83E4CF #B5EFE3

Accessibility & contrast

On white

1.75

#51D9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.00

#51D9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D9BC

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D9BC	#FFFFFF	#000000	##000000
##51D9BC	1.00	1.75	12.00	12.00
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.00	21.00	1.00	1.00
##000000	12.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1CCBB

Deuteranopia (green-blind)

#BEBEBE

Tritanopia (blue-blind)

#00DCD0

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51d9bc;
/* rgb */ color: rgb(81, 217, 188);
/* oklch */ color: oklch(80.4% 0.125 176.2);

Tailwind

colors: {
  custom: {
    50: '#90e5d0',
    500: '#51d9bc',
    950: '#000000',
  },
}

SCSS

$custom: #51d9bc;
$custom-light: #90e5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d9bc",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 188
  },
  "hsl": {
    "h": 167.206,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80357,
    "c": 0.12509,
    "h": 176.2
  },
  "luminance": 0.55006
}

Semantic roles & 50–950 ramp

primary

#51D9BC

secondary

#95394D

accent

#4164E7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1613

muted

#7F8483

Preview Lab

Preview with #51D9BC

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

Preview Lab → · Contrast checker → · Palette generator →