#51F1CB#51F1CB

#51F1CB is a very light, vivid teal. Relative luminance 0.690; OKLCH L 86.6% C 0.143 H 173.7°. Best body text is #000000 at 14.79:1 contrast (WCAG AA passes).

Color values

HEX	#51F1CB
RGB	rgb(81, 241, 203)
HSL	hsl(166, 85%, 63%)
HSV	hsv(166, 66%, 95%)
CMYK	cmyk(66.4%, 0%, 15.8%, 5.5%)
CIE-LAB	lab(86.49, -50.27, 6.26)
CIE-LCH	lch(86.49, 50.66, 172.91°)
OKLab	oklab(86.55% -0.1423 0.0158)
OKLCH	oklch(86.55% 0.143 173.7)
XYZ	xyz(45.6228, 68.9666, 67.3958)
Luminance	0.6897 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F1CB #F15177

analogous

#51F17B #51F1CB #51C7F1

triadic

#51F1CB #CB51F1 #F1CB51

tetradic

#51F1CB #7B51F1 #F15177 #C7F151

square

#51F1CB #7B51F1 #F15177 #C7F151

split-complementary

#51F1CB #F151C7 #F17B51

monochromatic

#0FB990 #18ECBA #51F1CB #8AF6DC #C2FAED

Accessibility & contrast

On white

1.42

#51F1CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.79

#51F1CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F1CB

14.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F1CB	#FFFFFF	#000000	##000000
##51F1CB	1.00	1.42	14.79	14.79
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.79	21.00	1.00	1.00
##000000	14.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9E2C9

Deuteranopia (green-blind)

#D3D2CE

Tritanopia (blue-blind)

#00F3E6

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51f1cb;
/* rgb */ color: rgb(81, 241, 203);
/* oklch */ color: oklch(86.6% 0.143 173.7);

Tailwind

colors: {
  custom: {
    50: '#94f6da',
    500: '#51f1cb',
    950: '#000000',
  },
}

SCSS

$custom: #51f1cb;
$custom-light: #94f6da;
$custom-dark: #000000;

JSON

{
  "hex": "#51f1cb",
  "rgb": {
    "r": 81,
    "g": 241,
    "b": 203
  },
  "hsl": {
    "h": 165.75,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.8655,
    "c": 0.14314,
    "h": 173.7
  },
  "luminance": 0.68972
}

Semantic roles & 50–950 ramp

primary

#51F1CB

secondary

#B82F4F

accent

#0439E2

background

#FCFFFE

surface

#F5FFFB

border

#CFD7D4

text

#0F1714

muted

#808583

Preview Lab

Preview with #51F1CB

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

Preview Lab → · Contrast checker → · Palette generator →