#3F8E1B#3F8E1B

#3F8E1B is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.165 H 138.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F8E1B
RGB	rgb(63, 142, 27)
HSL	hsl(101, 68%, 33%)
HSV	hsv(101, 81%, 56%)
CMYK	cmyk(55.6%, 0%, 81%, 44.3%)
CIE-LAB	lab(52.38, -44.45, 49.46)
CIE-LCH	lch(52.38, 66.50, 131.95°)
OKLab	oklab(57.48% -0.1229 0.1098)
OKLCH	oklch(57.48% 0.165 138.2)
XYZ	xyz(11.9203, 20.4809, 4.3618)
Luminance	0.2048 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8E1B #6A1B8E

analogous

#788E1B #3F8E1B #1B8E30

triadic

#3F8E1B #1B3F8E #8E1B3F

tetradic

#3F8E1B #1B788E #6A1B8E #8E301B

square

#3F8E1B #1B788E #6A1B8E #8E301B

split-complementary

#3F8E1B #301B8E #8E1B78

monochromatic

#112707 #285B11 #3F8E1B #56C125 #76DC47

Accessibility & contrast

On white

4.12

#3F8E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#3F8E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8E1B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8E1B	#FFFFFF	#000000	##000000
##3F8E1B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897B28

Tritanopia (blue-blind)

#388979

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f8e1b;
/* rgb */ color: rgb(63, 142, 27);
/* oklch */ color: oklch(57.5% 0.165 138.2);

Tailwind

colors: {
  custom: {
    50: '#7db062',
    500: '#3f8e1b',
    950: '#000000',
  },
}

SCSS

$custom: #3f8e1b;
$custom-light: #7db062;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8e1b",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 101.217,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57475,
    "c": 0.16482,
    "h": 138.2
  },
  "luminance": 0.20482
}

Semantic roles & 50–950 ramp

primary

#3F8E1B

secondary

#9947BE

accent

#3DEBB4

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #3F8E1B

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

Preview Lab → · Contrast checker → · Palette generator →