#51B930#51B930

#51B930 is a light, vivid green. Relative luminance 0.367; OKLCH L 69.8% C 0.197 H 139.4°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#51B930
RGB	rgb(81, 185, 48)
HSL	hsl(106, 59%, 46%)
HSV	hsv(106, 74%, 73%)
CMYK	cmyk(56.2%, 0%, 74.1%, 27.5%)
CIE-LAB	lab(67.02, -54.26, 56.83)
CIE-LCH	lch(67.02, 78.57, 133.68°)
OKLab	oklab(69.77% -0.1493 0.128)
OKLCH	oklch(69.77% 0.197 139.4)
XYZ	xyz(21.2749, 36.6589, 8.7505)
Luminance	0.3666 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B930 #9830B9

analogous

#95B930 #51B930 #30B953

triadic

#51B930 #3051B9 #B93051

tetradic

#51B930 #3095B9 #9830B9 #B95330

square

#51B930 #3095B9 #9830B9 #B95330

split-complementary

#51B930 #5330B9 #B93095

monochromatic

#265817 #3C8823 #51B930 #72D354 #9ADF84

Accessibility & contrast

On white

2.52

#51B930 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#51B930 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B930

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B930	#FFFFFF	#000000	##000000
##51B930	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA815

Deuteranopia (green-blind)

#B1A03E

Tritanopia (blue-blind)

#46B39F

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b930;
/* rgb */ color: rgb(81, 185, 48);
/* oklch */ color: oklch(69.8% 0.197 139.4);

Tailwind

colors: {
  custom: {
    50: '#8dcf71',
    500: '#51b930',
    950: '#000000',
  },
}

SCSS

$custom: #51b930;
$custom-light: #8dcf71;
$custom-dark: #000000;

JSON

{
  "hex": "#51b930",
  "rgb": {
    "r": 81,
    "g": 185,
    "b": 48
  },
  "hsl": {
    "h": 105.547,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.69772,
    "c": 0.19664,
    "h": 139.4
  },
  "luminance": 0.36661
}

Semantic roles & 50–950 ramp

primary

#51B930

secondary

#B67CC9

accent

#46E2BC

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B930

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

Preview Lab → · Contrast checker → · Palette generator →