#51B925#51B925

#51B925 is a light, highly saturated green. Relative luminance 0.366; OKLCH L 69.7% C 0.202 H 138.6°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#51B925
RGB	rgb(81, 185, 37)
HSL	hsl(102, 67%, 44%)
HSV	hsv(102, 80%, 73%)
CMYK	cmyk(56.2%, 0%, 80%, 27.5%)
CIE-LAB	lab(66.96, -54.95, 60.33)
CIE-LCH	lch(66.96, 81.61, 132.33°)
OKLab	oklab(69.7% -0.1517 0.1338)
OKLCH	oklch(69.7% 0.202 138.6)
XYZ	xyz(21.0754, 36.5791, 7.6998)
Luminance	0.3658 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B925 #8D25B9

analogous

#9BB925 #51B925 #25B943

triadic

#51B925 #2551B9 #B92551

tetradic

#51B925 #259BB9 #8D25B9 #B94325

square

#51B925 #259BB9 #8D25B9 #B94325

split-complementary

#51B925 #4325B9 #B9259B

monochromatic

#245311 #3B861B #51B925 #6FD942 #96E375

Accessibility & contrast

On white

2.53

#51B925 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#51B925 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B925

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B925	#FFFFFF	#000000	##000000
##51B925	1.00	2.53	8.32	8.32
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#B2A037

Tritanopia (blue-blind)

#47B29E

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b925;
/* rgb */ color: rgb(81, 185, 37);
/* oklch */ color: oklch(69.7% 0.202 138.6);

Tailwind

colors: {
  custom: {
    50: '#8dcf6c',
    500: '#51b925',
    950: '#000000',
  },
}

SCSS

$custom: #51b925;
$custom-light: #8dcf6c;
$custom-dark: #000000;

JSON

{
  "hex": "#51b925",
  "rgb": {
    "r": 81,
    "g": 185,
    "b": 37
  },
  "hsl": {
    "h": 102.162,
    "s": 66.667,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69703,
    "c": 0.20229,
    "h": 138.6
  },
  "luminance": 0.36581
}

Semantic roles & 50–950 ramp

primary

#51B925

secondary

#AF6FCB

accent

#3EEAB7

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B925

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

Preview Lab → · Contrast checker → · Palette generator →