#51E5BB#51E5BB

#51E5BB is a very light, vivid teal. Relative luminance 0.614; OKLCH L 83.2% C 0.139 H 170.5°. Best body text is #000000 at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#51E5BB
RGB	rgb(81, 229, 187)
HSL	hsl(163, 74%, 61%)
HSV	hsv(163, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 18.3%, 10.2%)
CIE-LAB	lab(82.58, -49.03, 9.04)
CIE-LCH	lch(82.58, 49.86, 169.56°)
OKLab	oklab(83.23% -0.1375 0.0231)
OKLCH	oklch(83.23% 0.139 170.5)
XYZ	xyz(40.3778, 61.3714, 56.7220)
Luminance	0.6138 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E5BB #E5517B

analogous

#51E571 #51E5BB #51C5E5

triadic

#51E5BB #BB51E5 #E5BB51

tetradic

#51E5BB #7151E5 #E5517B #C5E551

square

#51E5BB #7151E5 #E5517B #C5E551

split-complementary

#51E5BB #E551C5 #E57151

monochromatic

#18A37C #20D8A4 #51E5BB #86EDD0 #BBF5E5

Accessibility & contrast

On white

1.58

#51E5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.28

#51E5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E5BB

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E5BB	#FFFFFF	#000000	##000000
##51E5BB	1.00	1.58	13.28	13.28
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.28	21.00	1.00	1.00
##000000	13.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFD6B9

Deuteranopia (green-blind)

#CAC7BE

Tritanopia (blue-blind)

#00E7D9

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e5bb;
/* rgb */ color: rgb(81, 229, 187);
/* oklch */ color: oklch(83.2% 0.139 170.5);

Tailwind

colors: {
  custom: {
    50: '#92eecf',
    500: '#51e5bb',
    950: '#000000',
  },
}

SCSS

$custom: #51e5bb;
$custom-light: #92eecf;
$custom-dark: #000000;

JSON

{
  "hex": "#51e5bb",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 187
  },
  "hsl": {
    "h": 162.973,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.83234,
    "c": 0.13941,
    "h": 170.5
  },
  "luminance": 0.61376
}

Semantic roles & 50–950 ramp

primary

#51E5BB

secondary

#A63555

accent

#0F48D6

background

#FCFFFE

surface

#F5FEFB

border

#CFD6D4

text

#0E1613

muted

#7F8583

Preview Lab

Preview with #51E5BB

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

Preview Lab → · Contrast checker → · Palette generator →