#3FA01B#3FA01B

#3FA01B is a light, vivid green. Relative luminance 0.263; OKLCH L 62.4% C 0.186 H 139.3°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3FA01B
RGB	rgb(63, 160, 27)
HSL	hsl(104, 71%, 37%)
HSV	hsv(104, 83%, 63%)
CMYK	cmyk(60.6%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(58.30, -51.15, 54.95)
CIE-LCH	lch(58.30, 75.07, 132.95°)
OKLab	oklab(62.37% -0.1409 0.1213)
OKLCH	oklch(62.37% 0.186 139.3)
XYZ	xyz(14.8179, 26.2762, 5.3276)
Luminance	0.2628 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA01B #7C1BA0

analogous

#82A01B #3FA01B #1BA039

triadic

#3FA01B #1B3FA0 #A01B3F

tetradic

#3FA01B #1B82A0 #7C1BA0 #A0391B

square

#3FA01B #1B82A0 #7C1BA0 #A0391B

split-complementary

#3FA01B #391BA0 #A01B82

monochromatic

#163709 #2A6C12 #3FA01B #54D424 #7AE253

Accessibility & contrast

On white

3.36

#3FA01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#3FA01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA01B

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA01B	#FFFFFF	#000000	##000000
##3FA01B	1.00	3.36	6.26	6.26
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#99892C

Tritanopia (blue-blind)

#339A88

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #3fa01b;
/* rgb */ color: rgb(63, 160, 27);
/* oklch */ color: oklch(62.4% 0.186 139.3);

Tailwind

colors: {
  custom: {
    50: '#80bd64',
    500: '#3fa01b',
    950: '#000000',
  },
}

SCSS

$custom: #3fa01b;
$custom-light: #80bd64;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa01b",
  "rgb": {
    "r": 63,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 103.759,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62367,
    "c": 0.18591,
    "h": 139.3
  },
  "luminance": 0.26278
}

Semantic roles & 50–950 ramp

primary

#3FA01B

secondary

#A652C5

accent

#3AEEBD

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3FA01B

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

Preview Lab → · Contrast checker → · Palette generator →