#51CC2D#51CC2D

#51CC2D is a light, highly saturated green. Relative luminance 0.451; OKLCH L 74.7% C 0.220 H 139.9°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#51CC2D
RGB	rgb(81, 204, 45)
HSL	hsl(106, 64%, 49%)
HSV	hsv(106, 78%, 80%)
CMYK	cmyk(60.3%, 0%, 77.9%, 20%)
CIE-LAB	lab(72.97, -61.19, 63.62)
CIE-LCH	lch(72.97, 88.27, 133.89°)
OKLab	oklab(74.68% -0.1681 0.1418)
OKLCH	oklch(74.68% 0.22 139.9)
XYZ	xyz(25.4587, 45.1222, 9.8499)
Luminance	0.4512 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CC2D #A82DCC

analogous

#A1CC2D #51CC2D #2DCC59

triadic

#51CC2D #2D51CC #CC2D51

tetradic

#51CC2D #2DA1CC #A82DCC #CC592D

square

#51CC2D #2DA1CC #A82DCC #CC592D

split-complementary

#51CC2D #592DCC #CC2DA1

monochromatic

#296817 #3D9A22 #51CC2D #78DB5B #A1E68D

Accessibility & contrast

On white

2.09

#51CC2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#51CC2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CC2D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CC2D	#FFFFFF	#000000	##000000
##51CC2D	1.00	2.09	10.02	10.02
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2B900

Deuteranopia (green-blind)

#C3AF3F

Tritanopia (blue-blind)

#41C5AE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cc2d;
/* rgb */ color: rgb(81, 204, 45);
/* oklch */ color: oklch(74.7% 0.220 139.9);

Tailwind

colors: {
  custom: {
    50: '#90dd72',
    500: '#51cc2d',
    950: '#000000',
  },
}

SCSS

$custom: #51cc2d;
$custom-light: #90dd72;
$custom-dark: #000000;

JSON

{
  "hex": "#51cc2d",
  "rgb": {
    "r": 81,
    "g": 204,
    "b": 45
  },
  "hsl": {
    "h": 106.415,
    "s": 63.855,
    "l": 48.824
  },
  "oklch": {
    "l": 0.74684,
    "c": 0.2199,
    "h": 139.9
  },
  "luminance": 0.45125
}

Semantic roles & 50–950 ramp

primary

#51CC2D

secondary

#BF85D0

accent

#41E7C1

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #51CC2D

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

Preview Lab → · Contrast checker → · Palette generator →