#51DDC8#51DDC8

#51DDC8 is a light, vivid teal. Relative luminance 0.576; OKLCH L 81.7% C 0.124 H 181.3°. Best body text is #000000 at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#51DDC8
RGB	rgb(81, 221, 200)
HSL	hsl(171, 67%, 59%)
HSV	hsv(171, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 9.5%, 13.3%)
CIE-LAB	lab(80.53, -42.42, -0.81)
CIE-LCH	lch(80.53, 42.43, 181.09°)
OKLab	oklab(81.67% -0.1235 -0.0029)
OKLCH	oklch(81.67% 0.124 181.3)
XYZ	xyz(39.6702, 57.6281, 63.6650)
Luminance	0.5763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DDC8 #DD5166

analogous

#51DD82 #51DDC8 #51ACDD

triadic

#51DDC8 #C851DD #DDC851

tetradic

#51DDC8 #8251DD #DD5166 #ACDD51

square

#51DDC8 #8251DD #DD5166 #ACDD51

split-complementary

#51DDC8 #DD51AC #DD8251

monochromatic

#1D9684 #27C9B1 #51DDC8 #84E7D8 #B7F1E8

Accessibility & contrast

On white

1.68

#51DDC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.53

#51DDC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DDC8

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DDC8	#FFFFFF	#000000	##000000
##51DDC8	1.00	1.68	12.53	12.53
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.53	21.00	1.00	1.00
##000000	12.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4D1C7

Deuteranopia (green-blind)

#BFC2CA

Tritanopia (blue-blind)

#00E1D6

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51ddc8;
/* rgb */ color: rgb(81, 221, 200);
/* oklch */ color: oklch(81.7% 0.124 181.3);

Tailwind

colors: {
  custom: {
    50: '#91e8d8',
    500: '#51ddc8',
    950: '#000000',
  },
}

SCSS

$custom: #51ddc8;
$custom-light: #91e8d8;
$custom-dark: #000000;

JSON

{
  "hex": "#51ddc8",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 200
  },
  "hsl": {
    "h": 171,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.81671,
    "c": 0.12358,
    "h": 181.3
  },
  "luminance": 0.57632
}

Semantic roles & 50–950 ramp

primary

#51DDC8

secondary

#9B3846

accent

#3E57EA

background

#FCFEFE

surface

#F5FDFB

border

#CFD5D4

text

#0E1614

muted

#7F8483

Preview Lab

Preview with #51DDC8

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

Preview Lab → · Contrast checker → · Palette generator →