#51D7F0#51D7F0

#51D7F0 is a light, moderate teal. Relative luminance 0.566; OKLCH L 81.6% C 0.119 H 212.3°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#51D7F0
RGB	rgb(81, 215, 240)
HSL	hsl(189, 84%, 63%)
HSV	hsv(189, 66%, 94%)
CMYK	cmyk(66.3%, 10.4%, 0%, 5.9%)
CIE-LAB	lab(79.97, -28.62, -22.96)
CIE-LCH	lch(79.97, 36.69, 218.74°)
OKLab	oklab(81.62% -0.1008 -0.0638)
OKLCH	oklch(81.62% 0.119 212.3)
XYZ	xyz(43.4153, 56.6367, 91.0651)
Luminance	0.5664 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7F0 #F06A51

analogous

#51F0B9 #51D7F0 #5187F0

triadic

#51D7F0 #F051D7 #D7F051

tetradic

#51D7F0 #B951F0 #F06A51 #87F051

square

#51D7F0 #B951F0 #F06A51 #87F051

split-complementary

#51D7F0 #F05187 #F0B951

monochromatic

#109DB7 #19CAEB #51D7F0 #89E4F5 #C2F1FA

Accessibility & contrast

On white

1.70

#51D7F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#51D7F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7F0

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7F0	#FFFFFF	#000000	##000000
##51D7F0	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D0F1

Deuteranopia (green-blind)

#ADBFF0

Tritanopia (blue-blind)

#00E1DF

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #51d7f0;
/* rgb */ color: rgb(81, 215, 240);
/* oklch */ color: oklch(81.6% 0.119 212.3);

Tailwind

colors: {
  custom: {
    50: '#94e3f5',
    500: '#51d7f0',
    950: '#000000',
  },
}

SCSS

$custom: #51d7f0;
$custom-light: #94e3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7f0",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 240
  },
  "hsl": {
    "h": 189.434,
    "s": 84.127,
    "l": 62.941
  },
  "oklch": {
    "l": 0.81615,
    "c": 0.11929,
    "h": 212.3
  },
  "luminance": 0.56641
}

Semantic roles & 50–950 ramp

primary

#51D7F0

secondary

#B6442F

accent

#2705E1

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #51D7F0

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

Preview Lab → · Contrast checker → · Palette generator →