#51ECF7#51ECF7

#51ECF7 is a very light, vivid teal. Relative luminance 0.685; OKLCH L 86.7% C 0.128 H 201.9°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#51ECF7
RGB	rgb(81, 236, 247)
HSL	hsl(184, 91%, 64%)
HSV	hsv(184, 67%, 97%)
CMYK	cmyk(67.2%, 4.5%, 0%, 3.1%)
CIE-LAB	lab(86.23, -36.57, -17.20)
CIE-LCH	lch(86.23, 40.41, 205.19°)
OKLab	oklab(86.74% -0.1185 -0.0477)
OKLCH	oklch(86.74% 0.128 201.9)
XYZ	xyz(50.1699, 68.4499, 98.5457)
Luminance	0.6846 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ECF7 #F75C51

analogous

#51F7AF #51ECF7 #5199F7

triadic

#51ECF7 #F751EC #ECF751

tetradic

#51ECF7 #AF51F7 #F75C51 #99F751

square

#51ECF7 #AF51F7 #F75C51 #99F751

split-complementary

#51ECF7 #F75199 #F7AF51

monochromatic

#09B8C5 #16E6F4 #51ECF7 #8CF2FA #C6F9FC

Accessibility & contrast

On white

1.43

#51ECF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.69

#51ECF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ECF7

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ECF7	#FFFFFF	#000000	##000000
##51ECF7	1.00	1.43	14.69	14.69
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.69	21.00	1.00	1.00
##000000	14.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBE2F8

Deuteranopia (green-blind)

#C2D0F8

Tritanopia (blue-blind)

#00F5EF

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #51ecf7;
/* rgb */ color: rgb(81, 236, 247);
/* oklch */ color: oklch(86.7% 0.128 201.9);

Tailwind

colors: {
  custom: {
    50: '#96f2f9',
    500: '#51ecf7',
    950: '#000000',
  },
}

SCSS

$custom: #51ecf7;
$custom-light: #96f2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#51ecf7",
  "rgb": {
    "r": 81,
    "g": 236,
    "b": 247
  },
  "hsl": {
    "h": 183.976,
    "s": 91.209,
    "l": 64.314
  },
  "oklch": {
    "l": 0.86737,
    "c": 0.12775,
    "h": 201.9
  },
  "luminance": 0.68456
}

Semantic roles & 50–950 ramp

primary

#51ECF7

secondary

#C2352B

accent

#0F00E6

background

#FCFFFF

surface

#F6FEFF

border

#D0D6D7

text

#0F1717

muted

#808585

Preview Lab

Preview with #51ECF7

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

Preview Lab → · Contrast checker → · Palette generator →