#3F8B1B#3F8B1B

#3F8B1B is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.7% C 0.161 H 138.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3F8B1B
RGB	rgb(63, 139, 27)
HSL	hsl(101, 67%, 33%)
HSV	hsv(101, 81%, 55%)
CMYK	cmyk(54.7%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(51.38, -43.28, 48.52)
CIE-LCH	lch(51.38, 65.02, 131.74°)
OKLab	oklab(56.66% -0.1198 0.1078)
OKLCH	oklch(56.66% 0.161 138)
XYZ	xyz(11.4799, 19.6002, 4.2150)
Luminance	0.1960 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8B1B #671B8B

analogous

#778B1B #3F8B1B #1B8B2F

triadic

#3F8B1B #1B3F8B #8B1B3F

tetradic

#3F8B1B #1B778B #671B8B #8B2F1B

square

#3F8B1B #1B778B #671B8B #8B2F1B

split-complementary

#3F8B1B #2F1B8B #8B1B77

monochromatic

#112507 #285811 #3F8B1B #56BE25 #76DB45

Accessibility & contrast

On white

4.27

#3F8B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#3F8B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8B1B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8B1B	#FFFFFF	#000000	##000000
##3F8B1B	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907E00

Deuteranopia (green-blind)

#867828

Tritanopia (blue-blind)

#398676

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f8b1b;
/* rgb */ color: rgb(63, 139, 27);
/* oklch */ color: oklch(56.7% 0.161 138.0);

Tailwind

colors: {
  custom: {
    50: '#7dad61',
    500: '#3f8b1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f8b1b;
$custom-light: #7dad61;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8b1b",
  "rgb": {
    "r": 63,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 100.714,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56655,
    "c": 0.16118,
    "h": 138
  },
  "luminance": 0.19601
}

Semantic roles & 50–950 ramp

primary

#3F8B1B

secondary

#9645BC

accent

#3DEAB3

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #3F8B1B

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

Preview Lab → · Contrast checker → · Palette generator →