#51DB49#51DB49

#51DB49 is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.7% C 0.221 H 142.4°. Best body text is #000000 at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#51DB49
RGB	rgb(81, 219, 73)
HSL	hsl(117, 67%, 57%)
HSV	hsv(117, 67%, 86%)
CMYK	cmyk(63%, 0%, 66.7%, 14.1%)
CIE-LAB	lab(77.81, -64.20, 58.60)
CIE-LCH	lch(77.81, 86.93, 137.61°)
OKLab	oklab(78.74% -0.1748 0.1348)
OKLCH	oklch(78.74% 0.221 142.4)
XYZ	xyz(29.9258, 52.8905, 14.9338)
Luminance	0.5289 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB49 #D349DB

analogous

#9ADB49 #51DB49 #49DB8A

triadic

#51DB49 #4951DB #DB4951

tetradic

#51DB49 #499ADB #D349DB #DB8A49

square

#51DB49 #499ADB #D349DB #DB8A49

split-complementary

#51DB49 #8A49DB #DB499A

monochromatic

#228E1C #2FC126 #51DB49 #82E57C #B3EFAF

Accessibility & contrast

On white

1.81

#51DB49 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.58

#51DB49 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB49

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB49	#FFFFFF	#000000	##000000
##51DB49	1.00	1.81	11.58	11.58
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.58	21.00	1.00	1.00
##000000	11.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C735

Deuteranopia (green-blind)

#CFBC56

Tritanopia (blue-blind)

#36D5BD

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51db49;
/* rgb */ color: rgb(81, 219, 73);
/* oklch */ color: oklch(78.7% 0.221 142.4);

Tailwind

colors: {
  custom: {
    50: '#91e782',
    500: '#51db49',
    950: '#000000',
  },
}

SCSS

$custom: #51db49;
$custom-light: #91e782;
$custom-dark: #000000;

JSON

{
  "hex": "#51db49",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 73
  },
  "hsl": {
    "h": 116.712,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.78743,
    "c": 0.22073,
    "h": 142.4
  },
  "luminance": 0.52893
}

Semantic roles & 50–950 ramp

primary

#51DB49

secondary

#8E3593

accent

#3EEAE0

background

#FCFEFB

surface

#F5FDF2

border

#CFD5CC

text

#0E160B

muted

#7F847E

Preview Lab

Preview with #51DB49

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

Preview Lab → · Contrast checker → · Palette generator →