#51FFB5#51FFB5

#51FFB5 is a very light, vivid teal. Relative luminance 0.766; OKLCH L 89.4% C 0.176 H 160.8°. Best body text is #000000 at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#51FFB5
RGB	rgb(81, 255, 181)
HSL	hsl(154, 100%, 66%)
HSV	hsv(154, 68%, 100%)
CMYK	cmyk(68.2%, 0%, 29%, 0%)
CIE-LAB	lab(90.14, -60.73, 22.76)
CIE-LCH	lch(90.14, 64.86, 159.45°)
OKLab	oklab(89.39% -0.1658 0.0578)
OKLCH	oklch(89.39% 0.176 160.8)
XYZ	xyz(47.4890, 76.6002, 55.9897)
Luminance	0.7661 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FFB5 #FF519B

analogous

#51FF5E #51FFB5 #51F2FF

triadic

#51FFB5 #B551FF #FFB551

tetradic

#51FFB5 #5E51FF #FF519B #F2FF51

square

#51FFB5 #5E51FF #FF519B #F2FF51

split-complementary

#51FFB5 #FF51F2 #FF5E51

monochromatic

#00D67B #14FF9B #51FFB5 #8EFFCF #CBFFE9

Accessibility & contrast

On white

1.29

#51FFB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.32

#51FFB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FFB5

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FFB5	#FFFFFF	#000000	##000000
##51FFB5	1.00	1.29	16.32	16.32
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.32	21.00	1.00	1.00
##000000	16.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCECB1

Deuteranopia (green-blind)

#E5DCBA

Tritanopia (blue-blind)

#00FEEB

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #51ffb5;
/* rgb */ color: rgb(81, 255, 181);
/* oklch */ color: oklch(89.4% 0.176 160.8);

Tailwind

colors: {
  custom: {
    50: '#96ffcb',
    500: '#51ffb5',
    950: '#000000',
  },
}

SCSS

$custom: #51ffb5;
$custom-light: #96ffcb;
$custom-dark: #000000;

JSON

{
  "hex": "#51ffb5",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 181
  },
  "hsl": {
    "h": 154.483,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.89385,
    "c": 0.17558,
    "h": 160.8
  },
  "luminance": 0.76606
}

Semantic roles & 50–950 ramp

primary

#51FFB5

secondary

#D0256D

accent

#0062E6

background

#FCFFFE

surface

#F5FFFA

border

#CFD7D3

text

#0F1813

muted

#808683

Preview Lab

Preview with #51FFB5

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

Preview Lab → · Contrast checker → · Palette generator →