#3FB33B#3FB33B

#3FB33B is a light, vivid green. Relative luminance 0.336; OKLCH L 67.7% C 0.190 H 142.7°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3FB33B
RGB	rgb(63, 179, 59)
HSL	hsl(118, 50%, 47%)
HSV	hsv(118, 67%, 70%)
CMYK	cmyk(64.8%, 0%, 67%, 29.8%)
CIE-LAB	lab(64.65, -55.50, 49.96)
CIE-LCH	lch(64.65, 74.68, 138.01°)
OKLab	oklab(67.69% -0.1509 0.1152)
OKLCH	oklch(67.69% 0.19 142.7)
XYZ	xyz(18.9583, 33.6108, 9.6253)
Luminance	0.3361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB33B #AF3BB3

analogous

#7BB33B #3FB33B #3BB373

triadic

#3FB33B #3B3FB3 #B33B3F

tetradic

#3FB33B #3B7BB3 #AF3BB3 #B3733B

square

#3FB33B #3B7BB3 #AF3BB3 #B3733B

split-complementary

#3FB33B #733BB3 #B33B7B

monochromatic

#1F571D #2F852C #3FB33B #64CB60 #91DA8E

Accessibility & contrast

On white

2.72

#3FB33B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.72

#3FB33B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB33B

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB33B	#FFFFFF	#000000	##000000
##3FB33B	1.00	2.72	7.72	7.72
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.72	21.00	1.00	1.00
##000000	7.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A32B

Deuteranopia (green-blind)

#A99946

Tritanopia (blue-blind)

#27AE9A

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #3fb33b;
/* rgb */ color: rgb(63, 179, 59);
/* oklch */ color: oklch(67.7% 0.190 142.7);

Tailwind

colors: {
  custom: {
    50: '#82cb77',
    500: '#3fb33b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb33b;
$custom-light: #82cb77;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb33b",
  "rgb": {
    "r": 63,
    "g": 179,
    "b": 59
  },
  "hsl": {
    "h": 118,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.67689,
    "c": 0.18984,
    "h": 142.7
  },
  "luminance": 0.33613
}

Semantic roles & 50–950 ramp

primary

#3FB33B

secondary

#C385C5

accent

#4EDAD5

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB33B

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

Preview Lab → · Contrast checker → · Palette generator →