#51E1EA#51E1EA

#51E1EA is a very light, vivid teal. Relative luminance 0.615; OKLCH L 83.7% C 0.121 H 201.1°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#51E1EA
RGB	rgb(81, 225, 234)
HSL	hsl(184, 78%, 62%)
HSV	hsv(184, 65%, 92%)
CMYK	cmyk(65.4%, 3.8%, 0%, 8.2%)
CIE-LAB	lab(82.67, -35.11, -15.70)
CIE-LCH	lch(82.67, 38.47, 204.10°)
OKLab	oklab(83.72% -0.1131 -0.0435)
OKLCH	oklch(83.72% 0.121 201.1)
XYZ	xyz(45.1634, 61.5352, 87.3232)
Luminance	0.6154 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1EA #EA5A51

analogous

#51EAA6 #51E1EA #5195EA

triadic

#51E1EA #EA51E1 #E1EA51

tetradic

#51E1EA #A651EA #EA5A51 #95EA51

square

#51E1EA #A651EA #EA5A51 #95EA51

split-complementary

#51E1EA #EA5195 #EAA651

monochromatic

#15A3AC #1BD7E2 #51E1EA #88EAF1 #BEF4F7

Accessibility & contrast

On white

1.58

#51E1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#51E1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1EA

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1EA	#FFFFFF	#000000	##000000
##51E1EA	1.00	1.58	13.31	13.31
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.31	21.00	1.00	1.00
##000000	13.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1D7EB

Deuteranopia (green-blind)

#BAC7EB

Tritanopia (blue-blind)

#00E9E3

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e1ea;
/* rgb */ color: rgb(81, 225, 234);
/* oklch */ color: oklch(83.7% 0.121 201.1);

Tailwind

colors: {
  custom: {
    50: '#94ebf0',
    500: '#51e1ea',
    950: '#000000',
  },
}

SCSS

$custom: #51e1ea;
$custom-light: #94ebf0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1ea",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 234
  },
  "hsl": {
    "h": 183.529,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.83722,
    "c": 0.12116,
    "h": 201.1
  },
  "luminance": 0.6154
}

Semantic roles & 50–950 ramp

primary

#51E1EA

secondary

#AD3A32

accent

#170BDB

background

#FCFEFF

surface

#F5FDFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51E1EA

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

Preview Lab → · Contrast checker → · Palette generator →