#51E2BB#51E2BB

#51E2BB is a very light, vivid teal. Relative luminance 0.597; OKLCH L 82.5% C 0.136 H 171.6°. Best body text is #000000 at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#51E2BB
RGB	rgb(81, 226, 187)
HSL	hsl(164, 71%, 60%)
HSV	hsv(164, 64%, 89%)
CMYK	cmyk(64.2%, 0%, 17.3%, 11.4%)
CIE-LAB	lab(81.69, -47.77, 7.76)
CIE-LCH	lch(81.69, 48.40, 170.77°)
OKLab	oklab(82.51% -0.1344 0.0198)
OKLCH	oklch(82.51% 0.136 171.6)
XYZ	xyz(39.5549, 59.7256, 56.4477)
Luminance	0.5973 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E2BB #E25178

analogous

#51E272 #51E2BB #51C1E2

triadic

#51E2BB #BB51E2 #E2BB51

tetradic

#51E2BB #7251E2 #E25178 #C1E251

square

#51E2BB #7251E2 #E25178 #C1E251

split-complementary

#51E2BB #E251C1 #E27251

monochromatic

#1A9E7B #23D3A3 #51E2BB #85EBD0 #BAF3E4

Accessibility & contrast

On white

1.62

#51E2BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.95

#51E2BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E2BB

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E2BB	#FFFFFF	#000000	##000000
##51E2BB	1.00	1.62	12.95	12.95
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.95	21.00	1.00	1.00
##000000	12.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBD4B9

Deuteranopia (green-blind)

#C7C5BE

Tritanopia (blue-blind)

#00E4D7

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e2bb;
/* rgb */ color: rgb(81, 226, 187);
/* oklch */ color: oklch(82.5% 0.136 171.6);

Tailwind

colors: {
  custom: {
    50: '#91eccf',
    500: '#51e2bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e2bb;
$custom-light: #91eccf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e2bb",
  "rgb": {
    "r": 81,
    "g": 226,
    "b": 187
  },
  "hsl": {
    "h": 163.862,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.82507,
    "c": 0.13589,
    "h": 171.6
  },
  "luminance": 0.5973
}

Semantic roles & 50–950 ramp

primary

#51E2BB

secondary

#A13653

accent

#1246D3

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1613

muted

#7F8583

Preview Lab

Preview with #51E2BB

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

Preview Lab → · Contrast checker → · Palette generator →