#51BD33#51BD33

#51BD33 is a light, vivid green. Relative luminance 0.384; OKLCH L 70.8% C 0.200 H 139.8°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#51BD33
RGB	rgb(81, 189, 51)
HSL	hsl(107, 58%, 47%)
HSV	hsv(107, 73%, 74%)
CMYK	cmyk(57.1%, 0%, 73%, 25.9%)
CIE-LAB	lab(68.30, -55.50, 57.05)
CIE-LCH	lch(68.30, 79.59, 134.21°)
OKLab	oklab(70.84% -0.1524 0.1289)
OKLCH	oklch(70.84% 0.2 139.8)
XYZ	xyz(22.1875, 38.3816, 9.3705)
Luminance	0.3838 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD33 #9F33BD

analogous

#96BD33 #51BD33 #33BD5A

triadic

#51BD33 #3351BD #BD3351

tetradic

#51BD33 #3396BD #9F33BD #BD5A33

square

#51BD33 #3396BD #9F33BD #BD5A33

split-complementary

#51BD33 #5A33BD #BD3396

monochromatic

#285D19 #3C8D26 #51BD33 #75D35B #9DE08B

Accessibility & contrast

On white

2.42

#51BD33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#51BD33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD33

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD33	#FFFFFF	#000000	##000000
##51BD33	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC19

Deuteranopia (green-blind)

#B5A341

Tritanopia (blue-blind)

#44B7A2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bd33;
/* rgb */ color: rgb(81, 189, 51);
/* oklch */ color: oklch(70.8% 0.200 139.8);

Tailwind

colors: {
  custom: {
    50: '#8dd273',
    500: '#51bd33',
    950: '#000000',
  },
}

SCSS

$custom: #51bd33;
$custom-light: #8dd273;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd33",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 51
  },
  "hsl": {
    "h": 106.957,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70835,
    "c": 0.19961,
    "h": 139.8
  },
  "luminance": 0.38384
}

Semantic roles & 50–950 ramp

primary

#51BD33

secondary

#BA82CA

accent

#47E1BF

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BD33

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

Preview Lab → · Contrast checker → · Palette generator →