#3F981B#3F981B

#3F981B is a mid, vivid green. Relative luminance 0.236; OKLCH L 60.2% C 0.177 H 138.9°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F981B
RGB	rgb(63, 152, 27)
HSL	hsl(103, 70%, 35%)
HSV	hsv(103, 82%, 60%)
CMYK	cmyk(58.6%, 0%, 82.2%, 40.4%)
CIE-LAB	lab(55.68, -48.23, 52.54)
CIE-LCH	lch(55.68, 71.32, 132.55°)
OKLab	oklab(60.2% -0.1331 0.1163)
OKLCH	oklch(60.2% 0.177 138.9)
XYZ	xyz(13.4754, 23.5912, 4.8801)
Luminance	0.2359 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F981B #741B98

analogous

#7D981B #3F981B #1B9836

triadic

#3F981B #1B3F98 #981B3F

tetradic

#3F981B #1B7D98 #741B98 #98361B

square

#3F981B #1B7D98 #741B98 #98361B

split-complementary

#3F981B #361B98 #981B7D

monochromatic

#143009 #296412 #3F981B #55CC24 #78E04E

Accessibility & contrast

On white

3.67

#3F981B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#3F981B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F981B

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F981B	#FFFFFF	#000000	##000000
##3F981B	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8A00

Deuteranopia (green-blind)

#92832A

Tritanopia (blue-blind)

#369381

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f981b;
/* rgb */ color: rgb(63, 152, 27);
/* oklch */ color: oklch(60.2% 0.177 138.9);

Tailwind

colors: {
  custom: {
    50: '#7fb763',
    500: '#3f981b',
    950: '#000000',
  },
}

SCSS

$custom: #3f981b;
$custom-light: #7fb763;
$custom-dark: #000000;

JSON

{
  "hex": "#3f981b",
  "rgb": {
    "r": 63,
    "g": 152,
    "b": 27
  },
  "hsl": {
    "h": 102.72,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.60199,
    "c": 0.1767,
    "h": 138.9
  },
  "luminance": 0.23592
}

Semantic roles & 50–950 ramp

primary

#3F981B

secondary

#A04DC2

accent

#3BEDBA

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F981B

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

Preview Lab → · Contrast checker → · Palette generator →