#3F901E#3F901E

#3F901E is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.0% C 0.166 H 138.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F901E
RGB	rgb(63, 144, 30)
HSL	hsl(103, 66%, 34%)
HSV	hsv(103, 79%, 56%)
CMYK	cmyk(56.3%, 0%, 79.2%, 43.5%)
CIE-LAB	lab(53.05, -45.04, 49.13)
CIE-LCH	lch(53.05, 66.65, 132.51°)
OKLab	oklab(58.04% -0.1243 0.1096)
OKLCH	oklch(58.04% 0.166 138.6)
XYZ	xyz(12.2570, 21.0960, 4.6541)
Luminance	0.2110 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F901E #6F1E90

analogous

#78901E #3F901E #1E9036

triadic

#3F901E #1E3F90 #901E3F

tetradic

#3F901E #1E7890 #6F1E90 #90361E

square

#3F901E #1E7890 #6F1E90 #90361E

split-complementary

#3F901E #361E90 #901E78

monochromatic

#132B09 #295D13 #3F901E #55C329 #77DA4E

Accessibility & contrast

On white

4.02

#3F901E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F901E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F901E

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F901E	#FFFFFF	#000000	##000000
##3F901E	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#378B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f901e;
/* rgb */ color: rgb(63, 144, 30);
/* oklch */ color: oklch(58.0% 0.166 138.6);

Tailwind

colors: {
  custom: {
    50: '#7db163',
    500: '#3f901e',
    950: '#000000',
  },
}

SCSS

$custom: #3f901e;
$custom-light: #7db163;
$custom-dark: #000000;

JSON

{
  "hex": "#3f901e",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 30
  },
  "hsl": {
    "h": 102.632,
    "s": 65.517,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5804,
    "c": 0.16571,
    "h": 138.6
  },
  "luminance": 0.21097
}

Semantic roles & 50–950 ramp

primary

#3F901E

secondary

#9C4DBD

accent

#3FE8B8

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F901E

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

Preview Lab → · Contrast checker → · Palette generator →