#51B232#51B232

#51B232 is a light, vivid green. Relative luminance 0.338; OKLCH L 68.0% C 0.187 H 139.3°. Best body text is #000000 at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#51B232
RGB	rgb(81, 178, 50)
HSL	hsl(105, 56%, 45%)
HSV	hsv(105, 72%, 70%)
CMYK	cmyk(54.5%, 0%, 71.9%, 30.2%)
CIE-LAB	lab(64.82, -51.51, 53.88)
CIE-LCH	lch(64.82, 74.54, 133.72°)
OKLab	oklab(67.96% -0.1417 0.1221)
OKLCH	oklch(67.96% 0.187 139.3)
XYZ	xyz(19.8887, 33.8188, 8.4966)
Luminance	0.3382 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B232 #9332B2

analogous

#91B232 #51B232 #32B253

triadic

#51B232 #3251B2 #B23251

tetradic

#51B232 #3291B2 #9332B2 #B25332

square

#51B232 #3291B2 #9332B2 #B25332

split-complementary

#51B232 #5332B2 #B23291

monochromatic

#265217 #3B8225 #51B232 #71CF53 #98DC82

Accessibility & contrast

On white

2.70

#51B232 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.76

#51B232 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B232

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B232	#FFFFFF	#000000	##000000
##51B232	1.00	2.70	7.76	7.76
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.76	21.00	1.00	1.00
##000000	7.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21C

Deuteranopia (green-blind)

#AB9A3F

Tritanopia (blue-blind)

#47AC99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #51b232;
/* rgb */ color: rgb(81, 178, 50);
/* oklch */ color: oklch(68.0% 0.187 139.3);

Tailwind

colors: {
  custom: {
    50: '#8cca72',
    500: '#51b232',
    950: '#000000',
  },
}

SCSS

$custom: #51b232;
$custom-light: #8cca72;
$custom-dark: #000000;

JSON

{
  "hex": "#51b232",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 50
  },
  "hsl": {
    "h": 105.469,
    "s": 56.14,
    "l": 44.706
  },
  "oklch": {
    "l": 0.6796,
    "c": 0.18708,
    "h": 139.3
  },
  "luminance": 0.3382
}

Semantic roles & 50–950 ramp

primary

#51B232

secondary

#B37BC5

accent

#48DFBB

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B232

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

Preview Lab → · Contrast checker → · Palette generator →