#3FBF37#3FBF37

#3FBF37 is a light, highly saturated green. Relative luminance 0.386; OKLCH L 70.8% C 0.207 H 142.3°. Best body text is #000000 at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3FBF37
RGB	rgb(63, 191, 55)
HSL	hsl(116, 55%, 48%)
HSV	hsv(116, 71%, 75%)
CMYK	cmyk(67%, 0%, 71.2%, 25.1%)
CIE-LAB	lab(68.45, -60.00, 55.57)
CIE-LCH	lch(68.45, 81.78, 137.19°)
OKLab	oklab(70.83% -0.1633 0.1264)
OKLCH	oklch(70.83% 0.207 142.3)
XYZ	xyz(21.3691, 38.5920, 9.9365)
Luminance	0.3859 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBF37 #B737BF

analogous

#83BF37 #3FBF37 #37BF73

triadic

#3FBF37 #373FBF #BF373F

tetradic

#3FBF37 #3783BF #B737BF #BF7337

square

#3FBF37 #3783BF #B737BF #BF7337

split-complementary

#3FBF37 #7337BF #BF3783

monochromatic

#20601C #2F8F29 #3FBF37 #68D262 #96DF91

Accessibility & contrast

On white

2.41

#3FBF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.72

#3FBF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBF37

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBF37	#FFFFFF	#000000	##000000
##3FBF37	1.00	2.41	8.72	8.72
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.72	21.00	1.00	1.00
##000000	8.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD21

Deuteranopia (green-blind)

#B4A345

Tritanopia (blue-blind)

#21B9A4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #3fbf37;
/* rgb */ color: rgb(63, 191, 55);
/* oklch */ color: oklch(70.8% 0.207 142.3);

Tailwind

colors: {
  custom: {
    50: '#85d376',
    500: '#3fbf37',
    950: '#000000',
  },
}

SCSS

$custom: #3fbf37;
$custom-light: #85d376;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbf37",
  "rgb": {
    "r": 63,
    "g": 191,
    "b": 55
  },
  "hsl": {
    "h": 116.471,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70827,
    "c": 0.20654,
    "h": 142.3
  },
  "luminance": 0.38594
}

Semantic roles & 50–950 ramp

primary

#3FBF37

secondary

#C688CA

accent

#49DFD6

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #3FBF37

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

Preview Lab → · Contrast checker → · Palette generator →