#51FFCF#51FFCF

#51FFCF is a very light, vivid teal. Relative luminance 0.778; OKLCH L 90.0% C 0.156 H 170.4°. Best body text is #000000 at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#51FFCF
RGB	rgb(81, 255, 207)
HSL	hsl(163, 100%, 66%)
HSV	hsv(163, 68%, 100%)
CMYK	cmyk(68.2%, 0%, 18.8%, 0%)
CIE-LAB	lab(90.67, -55.08, 10.19)
CIE-LCH	lch(90.67, 56.01, 169.52°)
OKLab	oklab(90% -0.1541 0.026)
OKLCH	oklch(90% 0.156 170.4)
XYZ	xyz(50.4100, 77.7686, 71.3735)
Luminance	0.7777 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FFCF #FF5181

analogous

#51FF78 #51FFCF #51D8FF

triadic

#51FFCF #CF51FF #FFCF51

tetradic

#51FFCF #7851FF #FF5181 #D8FF51

square

#51FFCF #7851FF #FF5181 #D8FF51

split-complementary

#51FFCF #FF51D8 #FF7851

monochromatic

#00D69B #14FFBE #51FFCF #8EFFE0 #CBFFF1

Accessibility & contrast

On white

1.27

#51FFCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.55

#51FFCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FFCF

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FFCF	#FFFFFF	#000000	##000000
##51FFCF	1.00	1.27	16.55	16.55
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.55	21.00	1.00	1.00
##000000	16.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8EECD

Deuteranopia (green-blind)

#E0DDD2

Tritanopia (blue-blind)

#00FFF1

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #51ffcf;
/* rgb */ color: rgb(81, 255, 207);
/* oklch */ color: oklch(90.0% 0.156 170.4);

Tailwind

colors: {
  custom: {
    50: '#96ffdd',
    500: '#51ffcf',
    950: '#000000',
  },
}

SCSS

$custom: #51ffcf;
$custom-light: #96ffdd;
$custom-dark: #000000;

JSON

{
  "hex": "#51ffcf",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 207
  },
  "hsl": {
    "h": 163.448,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90002,
    "c": 0.15633,
    "h": 170.4
  },
  "luminance": 0.77774
}

Semantic roles & 50–950 ramp

primary

#51FFCF

secondary

#D02554

accent

#003FE6

background

#FCFFFE

surface

#F5FFFC

border

#CFD7D5

text

#0F1815

muted

#808684

Preview Lab

Preview with #51FFCF

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

Preview Lab → · Contrast checker → · Palette generator →