#51E6F2#51E6F2

#51E6F2 is a very light, vivid teal. Relative luminance 0.648; OKLCH L 85.2% C 0.124 H 202.8°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#51E6F2
RGB	rgb(81, 230, 242)
HSL	hsl(184, 86%, 63%)
HSV	hsv(184, 67%, 95%)
CMYK	cmyk(66.5%, 5%, 0%, 5.1%)
CIE-LAB	lab(84.35, -35.19, -17.39)
CIE-LCH	lch(84.35, 39.25, 206.30°)
OKLab	oklab(85.17% -0.1147 -0.0482)
OKLCH	oklch(85.17% 0.124 202.8)
XYZ	xyz(47.7102, 64.7484, 93.9704)
Luminance	0.6475 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E6F2 #F25D51

analogous

#51F2AD #51E6F2 #5195F2

triadic

#51E6F2 #F251E6 #E6F251

tetradic

#51E6F2 #AD51F2 #F25D51 #95F251

square

#51E6F2 #AD51F2 #F25D51 #95F251

split-complementary

#51E6F2 #F25195 #F2AD51

monochromatic

#0EAEBB #18DEEE #51E6F2 #8AEEF6 #C3F6FB

Accessibility & contrast

On white

1.51

#51E6F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#51E6F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E6F2

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E6F2	#FFFFFF	#000000	##000000
##51E6F2	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DDF3

Deuteranopia (green-blind)

#BDCBF3

Tritanopia (blue-blind)

#00EFE9

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #51e6f2;
/* rgb */ color: rgb(81, 230, 242);
/* oklch */ color: oklch(85.2% 0.124 202.8);

Tailwind

colors: {
  custom: {
    50: '#95eef6',
    500: '#51e6f2',
    950: '#000000',
  },
}

SCSS

$custom: #51e6f2;
$custom-light: #95eef6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e6f2",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 242
  },
  "hsl": {
    "h": 184.472,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85169,
    "c": 0.12444,
    "h": 202.8
  },
  "luminance": 0.64754
}

Semantic roles & 50–950 ramp

primary

#51E6F2

secondary

#B9382E

accent

#1403E3

background

#FCFFFF

surface

#F5FEFE

border

#CFD6D6

text

#0F1617

muted

#808585

Preview Lab

Preview with #51E6F2

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

Preview Lab → · Contrast checker → · Palette generator →