#51DFE9#51DFE9

#51DFE9 is a very light, vivid teal. Relative luminance 0.604; OKLCH L 83.2% C 0.120 H 201.8°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#51DFE9
RGB	rgb(81, 223, 233)
HSL	hsl(184, 78%, 62%)
HSV	hsv(184, 65%, 91%)
CMYK	cmyk(65.2%, 4.3%, 0%, 8.6%)
CIE-LAB	lab(82.06, -34.46, -16.09)
CIE-LCH	lch(82.06, 38.03, 205.03°)
OKLab	oklab(83.22% -0.1115 -0.0446)
OKLCH	oklch(83.22% 0.12 201.8)
XYZ	xyz(44.4826, 60.4029, 86.3896)
Luminance	0.6041 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DFE9 #E95B51

analogous

#51E9A7 #51DFE9 #5193E9

triadic

#51DFE9 #E951DF #DFE951

tetradic

#51DFE9 #A751E9 #E95B51 #93E951

square

#51DFE9 #A751E9 #E95B51 #93E951

split-complementary

#51DFE9 #E95193 #E9A751

monochromatic

#16A0AA #1CD4E0 #51DFE9 #87E9F0 #BEF3F7

Accessibility & contrast

On white

1.61

#51DFE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.08

#51DFE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DFE9

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DFE9	#FFFFFF	#000000	##000000
##51DFE9	1.00	1.61	13.08	13.08
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.08	21.00	1.00	1.00
##000000	13.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD6EA

Deuteranopia (green-blind)

#B8C5EA

Tritanopia (blue-blind)

#00E7E2

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51dfe9;
/* rgb */ color: rgb(81, 223, 233);
/* oklch */ color: oklch(83.2% 0.120 201.8);

Tailwind

colors: {
  custom: {
    50: '#94e9f0',
    500: '#51dfe9',
    950: '#000000',
  },
}

SCSS

$custom: #51dfe9;
$custom-light: #94e9f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51dfe9",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 233
  },
  "hsl": {
    "h": 183.947,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.8322,
    "c": 0.12008,
    "h": 201.8
  },
  "luminance": 0.60408
}

Semantic roles & 50–950 ramp

primary

#51DFE9

secondary

#AB3B33

accent

#190CDA

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51DFE9

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

Preview Lab → · Contrast checker → · Palette generator →