#51FFFA#51FFFA

#51FFFA is a very light, vivid teal. Relative luminance 0.802; OKLCH L 91.2% C 0.139 H 192.2°. Best body text is #000000 at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#51FFFA
RGB	rgb(81, 255, 250)
HSL	hsl(178, 100%, 66%)
HSV	hsv(178, 68%, 100%)
CMYK	cmyk(68.2%, 0%, 2%, 0%)
CIE-LAB	lab(91.76, -44.31, -10.49)
CIE-LCH	lch(91.76, 45.54, 193.32°)
OKLab	oklab(91.25% -0.1355 -0.0292)
OKLCH	oklch(91.25% 0.139 192.2)
XYZ	xyz(56.4008, 80.1649, 102.9248)
Luminance	0.8017 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FFFA #FF5156

analogous

#51FFA3 #51FFFA #51ADFF

triadic

#51FFFA #FA51FF #FFFA51

tetradic

#51FFFA #A351FF #FF5156 #ADFF51

square

#51FFFA #A351FF #FF5156 #ADFF51

split-complementary

#51FFFA #FF51AD #FFA351

monochromatic

#00D6CF #14FFF8 #51FFFA #8EFFFC #CBFFFE

Accessibility & contrast

On white

1.23

#51FFFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.03

#51FFFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FFFA

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FFFA	#FFFFFF	#000000	##000000
##51FFFA	1.00	1.23	17.03	17.03
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.03	21.00	1.00	1.00
##000000	17.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0F2FA

Deuteranopia (green-blind)

#D6DFFB

Tritanopia (blue-blind)

#00FFFD

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #51fffa;
/* rgb */ color: rgb(81, 255, 250);
/* oklch */ color: oklch(91.2% 0.139 192.2);

Tailwind

colors: {
  custom: {
    50: '#99fffb',
    500: '#51fffa',
    950: '#000000',
  },
}

SCSS

$custom: #51fffa;
$custom-light: #99fffb;
$custom-dark: #000000;

JSON

{
  "hex": "#51fffa",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 250
  },
  "hsl": {
    "h": 178.276,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.91246,
    "c": 0.13863,
    "h": 192.2
  },
  "luminance": 0.80171
}

Semantic roles & 50–950 ramp

primary

#51FFFA

secondary

#D0252A

accent

#0007E6

background

#FCFFFF

surface

#F6FFFF

border

#D0D7D7

text

#101817

muted

#808685

Preview Lab

Preview with #51FFFA

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

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