#51E4BB#51E4BB

#51E4BB is a very light, vivid teal. Relative luminance 0.608; OKLCH L 83.0% C 0.138 H 170.9°. Best body text is #000000 at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#51E4BB
RGB	rgb(81, 228, 187)
HSL	hsl(163, 73%, 61%)
HSV	hsv(163, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 18%, 10.6%)
CIE-LAB	lab(82.28, -48.62, 8.61)
CIE-LCH	lch(82.28, 49.37, 169.95°)
OKLab	oklab(82.99% -0.1365 0.022)
OKLCH	oklch(82.99% 0.138 170.9)
XYZ	xyz(40.1019, 60.8196, 56.6300)
Luminance	0.6082 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E4BB #E4517A

analogous

#51E471 #51E4BB #51C4E4

triadic

#51E4BB #BB51E4 #E4BB51

tetradic

#51E4BB #7151E4 #E4517A #C4E451

square

#51E4BB #7151E4 #E4517A #C4E451

split-complementary

#51E4BB #E451C4 #E47151

monochromatic

#19A27B #21D7A4 #51E4BB #86ECD0 #BBF4E4

Accessibility & contrast

On white

1.60

#51E4BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.16

#51E4BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E4BB

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E4BB	#FFFFFF	#000000	##000000
##51E4BB	1.00	1.60	13.16	13.16
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.16	21.00	1.00	1.00
##000000	13.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DED5B9

Deuteranopia (green-blind)

#C9C7BE

Tritanopia (blue-blind)

#00E6D8

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e4bb;
/* rgb */ color: rgb(81, 228, 187);
/* oklch */ color: oklch(83.0% 0.138 170.9);

Tailwind

colors: {
  custom: {
    50: '#92edcf',
    500: '#51e4bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e4bb;
$custom-light: #92edcf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e4bb",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 187
  },
  "hsl": {
    "h": 163.265,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.82992,
    "c": 0.13824,
    "h": 170.9
  },
  "luminance": 0.60824
}

Semantic roles & 50–950 ramp

primary

#51E4BB

secondary

#A43554

accent

#1047D5

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1613

muted

#7F8583

Preview Lab

Preview with #51E4BB

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

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