#51E2E5#51E2E5

#51E2E5 is a very light, vivid teal. Relative luminance 0.618; OKLCH L 83.8% C 0.121 H 197.1°. Best body text is #000000 at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#51E2E5
RGB	rgb(81, 226, 229)
HSL	hsl(181, 74%, 61%)
HSV	hsv(181, 65%, 90%)
CMYK	cmyk(64.6%, 1.3%, 0%, 10.2%)
CIE-LAB	lab(82.80, -36.97, -12.85)
CIE-LCH	lch(82.80, 39.14, 199.16°)
OKLab	oklab(83.78% -0.1161 -0.0356)
OKLCH	oklch(83.78% 0.121 197.1)
XYZ	xyz(44.7263, 61.7942, 83.6838)
Luminance	0.6180 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2E5 #E55451

analogous

#51E59E #51E2E5 #5198E5

triadic

#51E2E5 #E551E2 #E2E551

tetradic

#51E2E5 #9E51E5 #E55451 #98E551

square

#51E2E5 #9E51E5 #E55451 #98E551

split-complementary

#51E2E5 #E55198 #E59E51

monochromatic

#18A0A3 #20D5D8 #51E2E5 #86EBED #BBF4F5

Accessibility & contrast

On white

1.57

#51E2E5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.36

#51E2E5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2E5

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2E5	#FFFFFF	#000000	##000000
##51E2E5	1.00	1.57	13.36	13.36
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.36	21.00	1.00	1.00
##000000	13.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3D8E5

Deuteranopia (green-blind)

#BDC7E6

Tritanopia (blue-blind)

#00E9E2

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e2e5;
/* rgb */ color: rgb(81, 226, 229);
/* oklch */ color: oklch(83.8% 0.121 197.1);

Tailwind

colors: {
  custom: {
    50: '#94ebed',
    500: '#51e2e5',
    950: '#000000',
  },
}

SCSS

$custom: #51e2e5;
$custom-light: #94ebed;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2e5",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 229
  },
  "hsl": {
    "h": 181.216,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83784,
    "c": 0.12146,
    "h": 197.1
  },
  "luminance": 0.61799
}

Semantic roles & 50–950 ramp

primary

#51E2E5

secondary

#A63735

accent

#130FD6

background

#FCFEFE

surface

#F5FDFD

border

#CFD5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #51E2E5

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

Preview Lab → · Contrast checker → · Palette generator →