#51E1E5#51E1E5

#51E1E5 is a very light, vivid teal. Relative luminance 0.613; OKLCH L 83.5% C 0.121 H 197.7°. Best body text is #000000 at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#51E1E5
RGB	rgb(81, 225, 229)
HSL	hsl(182, 74%, 61%)
HSV	hsv(182, 65%, 90%)
CMYK	cmyk(64.6%, 1.7%, 0%, 10.2%)
CIE-LAB	lab(82.51, -36.51, -13.28)
CIE-LCH	lch(82.51, 38.85, 199.99°)
OKLab	oklab(83.55% -0.1151 -0.0368)
OKLCH	oklch(83.55% 0.121 197.7)
XYZ	xyz(44.4552, 61.2519, 83.5935)
Luminance	0.6126 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E1E5 #E55551

analogous

#51E59F #51E1E5 #5197E5

triadic

#51E1E5 #E551E1 #E1E551

tetradic

#51E1E5 #9F51E5 #E55551 #97E551

square

#51E1E5 #9F51E5 #E55551 #97E551

split-complementary

#51E1E5 #E55197 #E59F51

monochromatic

#189FA3 #20D3D8 #51E1E5 #86EAED #BBF3F5

Accessibility & contrast

On white

1.58

#51E1E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.25

#51E1E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E1E5

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E1E5	#FFFFFF	#000000	##000000
##51E1E5	1.00	1.58	13.25	13.25
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.25	21.00	1.00	1.00
##000000	13.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2D7E6

Deuteranopia (green-blind)

#BBC6E6

Tritanopia (blue-blind)

#00E8E2

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e1e5;
/* rgb */ color: rgb(81, 225, 229);
/* oklch */ color: oklch(83.5% 0.121 197.7);

Tailwind

colors: {
  custom: {
    50: '#94ebed',
    500: '#51e1e5',
    950: '#000000',
  },
}

SCSS

$custom: #51e1e5;
$custom-light: #94ebed;
$custom-dark: #000000;

JSON

{
  "hex": "#51e1e5",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 229
  },
  "hsl": {
    "h": 181.622,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83549,
    "c": 0.12087,
    "h": 197.7
  },
  "luminance": 0.61257
}

Semantic roles & 50–950 ramp

primary

#51E1E5

secondary

#A63835

accent

#150FD6

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51E1E5

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

Preview Lab → · Contrast checker → · Palette generator →