#51AA3D#51AA3D

#51AA3D is a light, vivid green. Relative luminance 0.308; OKLCH L 66.0% C 0.169 H 140.2°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#51AA3D
RGB	rgb(81, 170, 61)
HSL	hsl(109, 47%, 45%)
HSV	hsv(109, 64%, 67%)
CMYK	cmyk(52.4%, 0%, 64.1%, 33.3%)
CIE-LAB	lab(62.37, -47.45, 46.77)
CIE-LCH	lch(62.37, 66.63, 135.42°)
OKLab	oklab(65.97% -0.1301 0.1085)
OKLCH	oklch(65.97% 0.169 140.2)
XYZ	xyz(18.6096, 30.8343, 9.3849)
Luminance	0.3084 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AA3D #963DAA

analogous

#87AA3D #51AA3D #3DAA60

triadic

#51AA3D #3D51AA #AA3D51

tetradic

#51AA3D #3D87AA #963DAA #AA603D

square

#51AA3D #3D87AA #963DAA #AA603D

split-complementary

#51AA3D #603DAA #AA3D87

monochromatic

#26501D #3C7D2D #51AA3D #72C55F #99D68C

Accessibility & contrast

On white

2.93

#51AA3D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#51AA3D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA3D

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AA3D	#FFFFFF	#000000	##000000
##51AA3D	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9C30

Deuteranopia (green-blind)

#A39446

Tritanopia (blue-blind)

#48A593

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #51aa3d;
/* rgb */ color: rgb(81, 170, 61);
/* oklch */ color: oklch(66.0% 0.169 140.2);

Tailwind

colors: {
  custom: {
    50: '#8ac477',
    500: '#51aa3d',
    950: '#000000',
  },
}

SCSS

$custom: #51aa3d;
$custom-light: #8ac477;
$custom-dark: #000000;

JSON

{
  "hex": "#51aa3d",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 61
  },
  "hsl": {
    "h": 108.991,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6597,
    "c": 0.16937,
    "h": 140.2
  },
  "luminance": 0.30836
}

Semantic roles & 50–950 ramp

primary

#51AA3D

secondary

#B582C0

accent

#51D7BE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #51AA3D

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

Preview Lab → · Contrast checker → · Palette generator →