#3F8E15#3F8E15

#3F8E15 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.4% C 0.168 H 137.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F8E15
RGB	rgb(63, 142, 21)
HSL	hsl(99, 74%, 32%)
HSV	hsv(99, 85%, 56%)
CMYK	cmyk(55.6%, 0%, 85.2%, 44.3%)
CIE-LAB	lab(52.35, -44.77, 51.18)
CIE-LCH	lch(52.35, 67.99, 131.18°)
OKLab	oklab(57.44% -0.1241 0.1125)
OKLCH	oklch(57.44% 0.168 137.8)
XYZ	xyz(11.8578, 20.4560, 4.0329)
Luminance	0.2046 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8E15 #64158E

analogous

#7B8E15 #3F8E15 #158E28

triadic

#3F8E15 #153F8E #8E153F

tetradic

#3F8E15 #157B8E #64158E #8E2815

square

#3F8E15 #157B8E #64158E #8E2815

split-complementary

#3F8E15 #28158E #8E157B

monochromatic

#102305 #27590D #3F8E15 #57C31D #75E23B

Accessibility & contrast

On white

4.12

#3F8E15 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3F8E15 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8E15

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8E15	#FFFFFF	#000000	##000000
##3F8E15	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897A25

Tritanopia (blue-blind)

#398979

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f8e15;
/* rgb */ color: rgb(63, 142, 21);
/* oklch */ color: oklch(57.4% 0.168 137.8);

Tailwind

colors: {
  custom: {
    50: '#7db05f',
    500: '#3f8e15',
    950: '#000000',
  },
}

SCSS

$custom: #3f8e15;
$custom-light: #7db05f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8e15",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 21
  },
  "hsl": {
    "h": 99.174,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57444,
    "c": 0.1675,
    "h": 137.8
  },
  "luminance": 0.20457
}

Semantic roles & 50–950 ramp

primary

#3F8E15

secondary

#943DC2

accent

#37F1B0

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #3F8E15

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

Preview Lab → · Contrast checker → · Palette generator →