#3FBB33#3FBB33

#3FBB33 is a light, highly saturated green. Relative luminance 0.368; OKLCH L 69.7% C 0.204 H 141.9°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#3FBB33
RGB	rgb(63, 187, 51)
HSL	hsl(115, 57%, 47%)
HSV	hsv(115, 73%, 73%)
CMYK	cmyk(66.3%, 0%, 72.7%, 26.7%)
CIE-LAB	lab(67.15, -58.97, 55.72)
CIE-LCH	lch(67.15, 81.13, 136.63°)
OKLab	oklab(69.74% -0.1607 0.1262)
OKLCH	oklch(69.74% 0.204 141.9)
XYZ	xyz(20.4166, 36.8343, 9.1651)
Luminance	0.3684 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBB33 #AF33BB

analogous

#83BB33 #3FBB33 #33BB6B

triadic

#3FBB33 #333FBB #BB333F

tetradic

#3FBB33 #3383BB #AF33BB #BB6B33

square

#3FBB33 #3383BB #AF33BB #BB6B33

split-complementary

#3FBB33 #6B33BB #BB3383

monochromatic

#1F5B19 #2F8B26 #3FBB33 #64D259 #91DF89

Accessibility & contrast

On white

2.51

#3FBB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#3FBB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBB33

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBB33	#FFFFFF	#000000	##000000
##3FBB33	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFAA1B

Deuteranopia (green-blind)

#B1A041

Tritanopia (blue-blind)

#25B5A0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #3fbb33;
/* rgb */ color: rgb(63, 187, 51);
/* oklch */ color: oklch(69.7% 0.204 141.9);

Tailwind

colors: {
  custom: {
    50: '#84d173',
    500: '#3fbb33',
    950: '#000000',
  },
}

SCSS

$custom: #3fbb33;
$custom-light: #84d173;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbb33",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 51
  },
  "hsl": {
    "h": 114.706,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6974,
    "c": 0.20439,
    "h": 141.9
  },
  "luminance": 0.36836
}

Semantic roles & 50–950 ramp

primary

#3FBB33

secondary

#C381C9

accent

#47E0D3

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #3FBB33

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

Preview Lab → · Contrast checker → · Palette generator →