#51E4BF#51E4BF

#51E4BF is a very light, vivid teal. Relative luminance 0.610; OKLCH L 83.1% C 0.136 H 172.9°. Best body text is #000000 at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#51E4BF
RGB	rgb(81, 228, 191)
HSL	hsl(165, 73%, 61%)
HSV	hsv(165, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 16.2%, 10.6%)
CIE-LAB	lab(82.38, -47.67, 6.64)
CIE-LCH	lch(82.38, 48.13, 172.07°)
OKLab	oklab(83.1% -0.1347 0.0168)
OKLCH	oklch(83.1% 0.136 172.9)
XYZ	xyz(40.5361, 60.9933, 58.9167)
Luminance	0.6100 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4BF #E45176

analogous

#51E475 #51E4BF #51BFE4

triadic

#51E4BF #BF51E4 #E4BF51

tetradic

#51E4BF #7551E4 #E45176 #BFE451

square

#51E4BF #7551E4 #E45176 #BFE451

split-complementary

#51E4BF #E451BF #E47551

monochromatic

#19A27F #21D7A9 #51E4BF #86ECD2 #BBF4E6

Accessibility & contrast

On white

1.59

#51E4BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.20

#51E4BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4BF

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4BF	#FFFFFF	#000000	##000000
##51E4BF	1.00	1.59	13.20	13.20
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.20	21.00	1.00	1.00
##000000	13.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDD6BD

Deuteranopia (green-blind)

#C8C7C2

Tritanopia (blue-blind)

#00E6D9

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e4bf;
/* rgb */ color: rgb(81, 228, 191);
/* oklch */ color: oklch(83.1% 0.136 172.9);

Tailwind

colors: {
  custom: {
    50: '#92edd2',
    500: '#51e4bf',
    950: '#000000',
  },
}

SCSS

$custom: #51e4bf;
$custom-light: #92edd2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4bf",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 191
  },
  "hsl": {
    "h": 164.898,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.83099,
    "c": 0.13572,
    "h": 172.9
  },
  "luminance": 0.60998
}

Semantic roles & 50–950 ramp

primary

#51E4BF

secondary

#A43551

accent

#1042D5

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1614

muted

#7F8583

Preview Lab

Preview with #51E4BF

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

Preview Lab → · Contrast checker → · Palette generator →