#51E5BF#51E5BF

#51E5BF is a very light, vivid teal. Relative luminance 0.616; OKLCH L 83.3% C 0.137 H 172.5°. Best body text is #000000 at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#51E5BF
RGB	rgb(81, 229, 191)
HSL	hsl(165, 74%, 61%)
HSV	hsv(165, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 16.6%, 10.2%)
CIE-LAB	lab(82.67, -48.09, 7.06)
CIE-LCH	lch(82.67, 48.61, 171.65°)
OKLab	oklab(83.34% -0.1357 0.0179)
OKLCH	oklch(83.34% 0.137 172.5)
XYZ	xyz(40.8120, 61.5451, 59.0087)
Luminance	0.6155 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5BF #E55177

analogous

#51E575 #51E5BF #51C1E5

triadic

#51E5BF #BF51E5 #E5BF51

tetradic

#51E5BF #7551E5 #E55177 #C1E551

square

#51E5BF #7551E5 #E55177 #C1E551

split-complementary

#51E5BF #E551C1 #E57551

monochromatic

#18A380 #20D8A9 #51E5BF #86EDD3 #BBF5E6

Accessibility & contrast

On white

1.58

#51E5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.31

#51E5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5BF

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5BF	#FFFFFF	#000000	##000000
##51E5BF	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)

#DED7BD

Deuteranopia (green-blind)

#C9C8C2

Tritanopia (blue-blind)

#00E7DA

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e5bf;
/* rgb */ color: rgb(81, 229, 191);
/* oklch */ color: oklch(83.3% 0.137 172.5);

Tailwind

colors: {
  custom: {
    50: '#92eed2',
    500: '#51e5bf',
    950: '#000000',
  },
}

SCSS

$custom: #51e5bf;
$custom-light: #92eed2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5bf",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 191
  },
  "hsl": {
    "h": 164.595,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.8334,
    "c": 0.13686,
    "h": 172.5
  },
  "luminance": 0.6155
}

Semantic roles & 50–950 ramp

primary

#51E5BF

secondary

#A63552

accent

#0F42D6

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1614

muted

#7F8583

Preview Lab

Preview with #51E5BF

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

Preview Lab → · Contrast checker → · Palette generator →