#3F8F1B#3F8F1B

#3F8F1B is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.166 H 138.3°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F8F1B
RGB	rgb(63, 143, 27)
HSL	hsl(101, 68%, 33%)
HSV	hsv(101, 81%, 56%)
CMYK	cmyk(55.9%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(52.71, -44.84, 49.77)
CIE-LCH	lch(52.71, 66.99, 132.02°)
OKLab	oklab(57.75% -0.124 0.1105)
OKLCH	oklch(57.75% 0.166 138.3)
XYZ	xyz(12.0697, 20.7798, 4.4116)
Luminance	0.2078 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8F1B #6B1B8F

analogous

#798F1B #3F8F1B #1B8F31

triadic

#3F8F1B #1B3F8F #8F1B3F

tetradic

#3F8F1B #1B798F #6B1B8F #8F311B

square

#3F8F1B #1B798F #6B1B8F #8F311B

split-complementary

#3F8F1B #311B8F #8F1B79

monochromatic

#122808 #285C11 #3F8F1B #56C225 #76DC48

Accessibility & contrast

On white

4.07

#3F8F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#3F8F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8F1B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8F1B	#FFFFFF	#000000	##000000
##3F8F1B	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8A7B29

Tritanopia (blue-blind)

#388A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f8f1b;
/* rgb */ color: rgb(63, 143, 27);
/* oklch */ color: oklch(57.7% 0.166 138.3);

Tailwind

colors: {
  custom: {
    50: '#7db062',
    500: '#3f8f1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f8f1b;
$custom-light: #7db062;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8f1b",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 101.379,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57748,
    "c": 0.16603,
    "h": 138.3
  },
  "luminance": 0.20781
}

Semantic roles & 50–950 ramp

primary

#3F8F1B

secondary

#9948BE

accent

#3DEBB5

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #3F8F1B

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

Preview Lab → · Contrast checker → · Palette generator →