#51E6BB#51E6BB

#51E6BB is a very light, vivid teal. Relative luminance 0.619; OKLCH L 83.5% C 0.141 H 170.1°. Best body text is #000000 at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#51E6BB
RGB	rgb(81, 230, 187)
HSL	hsl(163, 75%, 61%)
HSV	hsv(163, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 18.7%, 9.8%)
CIE-LAB	lab(82.87, -49.45, 9.46)
CIE-LCH	lch(82.87, 50.35, 169.17°)
OKLab	oklab(83.48% -0.1385 0.0242)
OKLCH	oklch(83.48% 0.141 170.1)
XYZ	xyz(40.6553, 61.9264, 56.8145)
Luminance	0.6193 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E6BB #E6517C

analogous

#51E670 #51E6BB #51C6E6

triadic

#51E6BB #BB51E6 #E6BB51

tetradic

#51E6BB #7051E6 #E6517C #C6E651

square

#51E6BB #7051E6 #E6517C #C6E651

split-complementary

#51E6BB #E651C6 #E67051

monochromatic

#18A57C #1FDAA4 #51E6BB #87EED0 #BCF5E5

Accessibility & contrast

On white

1.57

#51E6BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.39

#51E6BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E6BB

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E6BB	#FFFFFF	#000000	##000000
##51E6BB	1.00	1.57	13.39	13.39
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.39	21.00	1.00	1.00
##000000	13.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0D7B9

Deuteranopia (green-blind)

#CBC8BE

Tritanopia (blue-blind)

#00E8DA

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #51e6bb;
/* rgb */ color: rgb(81, 230, 187);
/* oklch */ color: oklch(83.5% 0.141 170.1);

Tailwind

colors: {
  custom: {
    50: '#92efcf',
    500: '#51e6bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e6bb;
$custom-light: #92efcf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e6bb",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 187
  },
  "hsl": {
    "h": 162.685,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.83476,
    "c": 0.14058,
    "h": 170.1
  },
  "luminance": 0.61931
}

Semantic roles & 50–950 ramp

primary

#51E6BB

secondary

#A73455

accent

#0E48D7

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1613

muted

#7F8583

Preview Lab

Preview with #51E6BB

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

Preview Lab → · Contrast checker → · Palette generator →