#51ECFB#51ECFB

#51ECFB is a very light, vivid teal. Relative luminance 0.687; OKLCH L 86.9% C 0.128 H 204.4°. Best body text is #000000 at 14.74:1 contrast (WCAG AA passes).

Color values

HEX	#51ECFB
RGB	rgb(81, 236, 251)
HSL	hsl(185, 96%, 65%)
HSV	hsv(185, 68%, 98%)
CMYK	cmyk(67.7%, 6%, 0%, 1.6%)
CIE-LAB	lab(86.36, -35.43, -19.11)
CIE-LCH	lch(86.36, 40.26, 208.34°)
OKLab	oklab(86.88% -0.1169 -0.053)
OKLCH	oklch(86.88% 0.128 204.4)
XYZ	xyz(50.7938, 68.6994, 101.8314)
Luminance	0.6871 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ECFB #FB6051

analogous

#51FBB5 #51ECFB #5197FB

triadic

#51ECFB #FB51EC #ECFB51

tetradic

#51ECFB #B551FB #FB6051 #97FB51

square

#51ECFB #B551FB #FB6051 #97FB51

split-complementary

#51ECFB #FB5197 #FBB551

monochromatic

#05BBCD #15E5FA #51ECFB #8DF3FC #C9F9FE

Accessibility & contrast

On white

1.42

#51ECFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.74

#51ECFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ECFB

14.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ECFB	#FFFFFF	#000000	##000000
##51ECFB	1.00	1.42	14.74	14.74
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.74	21.00	1.00	1.00
##000000	14.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAE3FC

Deuteranopia (green-blind)

#C1D0FC

Tritanopia (blue-blind)

#00F5F0

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51ecfb;
/* rgb */ color: rgb(81, 236, 251);
/* oklch */ color: oklch(86.9% 0.128 204.4);

Tailwind

colors: {
  custom: {
    50: '#97f2fc',
    500: '#51ecfb',
    950: '#000000',
  },
}

SCSS

$custom: #51ecfb;
$custom-light: #97f2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#51ecfb",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 251
  },
  "hsl": {
    "h": 185.294,
    "s": 95.506,
    "l": 65.098
  },
  "oklch": {
    "l": 0.86879,
    "c": 0.12837,
    "h": 204.4
  },
  "luminance": 0.68705
}

Semantic roles & 50–950 ramp

primary

#51ECFB

secondary

#C83628

accent

#1400E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1717

muted

#808585

Preview Lab

Preview with #51ECFB

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

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