#51E5B5#51E5B5

#51E5B5 is a very light, vivid teal. Relative luminance 0.611; OKLCH L 83.1% C 0.144 H 167.6°. Best body text is #000000 at 13.22:1 contrast (WCAG AA passes).

Color values

HEX#51E5B5
RGBrgb(81, 229, 181)
HSLhsl(161, 74%, 61%)
HSVhsv(161, 65%, 90%)
CMYKcmyk(64.6%, 0%, 21%, 10.2%)
CIE-LABlab(82.44, -50.42, 12.00)
CIE-LCHlch(82.44, 51.82, 166.61°)
OKLaboklab(83.08% -0.1402 0.0307)
OKLCHoklch(83.08% 0.144 167.6)
XYZxyz(39.7488, 61.1198, 53.4096)
Luminance0.6112 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51E5B5 #E55181
analogous
#51E56B #51E5B5 #51CBE5
triadic
#51E5B5 #B551E5 #E5B551
tetradic
#51E5B5 #6B51E5 #E55181 #CBE551
square
#51E5B5 #6B51E5 #E55181 #CBE551
split-complementary
#51E5B5 #E551CB #E56B51
monochromatic
#18A376 #20D89D #51E5B5 #86EDCC #BBF5E2

Accessibility & contrast

On white

1.59
#51E5B5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.22
#51E5B5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5B5
13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51E5B5#FFFFFF#000000##000000
##51E5B51.001.5913.2213.22
#FFFFFF1.591.0021.0021.00
#00000013.2221.001.001.00
##00000013.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E0D6B3
Deuteranopia (green-blind)
#CBC7B8
Tritanopia (blue-blind)
#00E6D7
Achromatopsia (no color)
#CDCDCD

Design tokens & code

CSS
--color: #51e5b5;
/* rgb */ color: rgb(81, 229, 181);
/* oklch */ color: oklch(83.1% 0.144 167.6);
Tailwind
colors: {
  custom: {
    50: '#92eecb',
    500: '#51e5b5',
    950: '#000000',
  },
}
SCSS
$custom: #51e5b5;
$custom-light: #92eecb;
$custom-dark: #000000;
JSON
{
  "hex": "#51e5b5",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 181
  },
  "hsl": {
    "h": 160.541,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83079,
    "c": 0.14352,
    "h": 167.6
  },
  "luminance": 0.61124
}

Semantic roles & 50–950 ramp

primary
#51E5B5
secondary
#A63559
accent
#0F50D6
background
#FCFFFD
surface
#F5FEF9
border
#CFD6D2
text
#0E1613
muted
#7F8582

Preview Lab

Preview with #51E5B5

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

Preview Lab → · Contrast checker → · Palette generator →

#51E5B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva