#3F8D15#3F8D15

#3F8D15 is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.2% C 0.166 H 137.7°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F8D15
RGB	rgb(63, 141, 21)
HSL	hsl(99, 74%, 32%)
HSV	hsv(99, 85%, 55%)
CMYK	cmyk(55.3%, 0%, 85.1%, 44.7%)
CIE-LAB	lab(52.02, -44.38, 50.88)
CIE-LCH	lch(52.02, 67.52, 131.10°)
OKLab	oklab(57.17% -0.1231 0.1119)
OKLCH	oklch(57.17% 0.166 137.7)
XYZ	xyz(11.7097, 20.1597, 3.9835)
Luminance	0.2016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8D15 #63158D

analogous

#7B8D15 #3F8D15 #158D27

triadic

#3F8D15 #153F8D #8D153F

tetradic

#3F8D15 #157B8D #63158D #8D2715

square

#3F8D15 #157B8D #63158D #8D2715

split-complementary

#3F8D15 #27158D #8D157B

monochromatic

#0F2205 #27580D #3F8D15 #57C21D #75E23B

Accessibility & contrast

On white

4.17

#3F8D15 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3F8D15 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8D15

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8D15	#FFFFFF	#000000	##000000
##3F8D15	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#887A25

Tritanopia (blue-blind)

#398878

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f8d15;
/* rgb */ color: rgb(63, 141, 21);
/* oklch */ color: oklch(57.2% 0.166 137.7);

Tailwind

colors: {
  custom: {
    50: '#7daf5f',
    500: '#3f8d15',
    950: '#000000',
  },
}

SCSS

$custom: #3f8d15;
$custom-light: #7daf5f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8d15",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 21
  },
  "hsl": {
    "h": 99,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5717,
    "c": 0.16632,
    "h": 137.7
  },
  "luminance": 0.20161
}

Semantic roles & 50–950 ramp

primary

#3F8D15

secondary

#933DC1

accent

#37F1B0

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #3F8D15

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

Preview Lab → · Contrast checker → · Palette generator →