#3F7E17#3F7E17

#3F7E17 is a mid, vivid yellow-green. Relative luminance 0.160; OKLCH L 53.1% C 0.147 H 136.5°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3F7E17
RGB	rgb(63, 126, 23)
HSL	hsl(97, 69%, 29%)
HSV	hsv(97, 82%, 49%)
CMYK	cmyk(50%, 0%, 81.7%, 50.6%)
CIE-LAB	lab(47.03, -38.29, 45.70)
CIE-LCH	lch(47.03, 59.62, 129.95°)
OKLab	oklab(53.06% -0.1066 0.1013)
OKLCH	oklch(53.06% 0.147 136.5)
XYZ	xyz(9.6651, 16.0397, 3.3971)
Luminance	0.1604 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7E17 #56177E

analogous

#737E17 #3F7E17 #177E23

triadic

#3F7E17 #173F7E #7E173F

tetradic

#3F7E17 #17737E #56177E #7E2317

square

#3F7E17 #17737E #56177E #7E2317

split-complementary

#3F7E17 #23177E #7E1773

monochromatic

#0D1A05 #254A0E #3F7E17 #59B220 #75DA35

Accessibility & contrast

On white

4.99

#3F7E17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3F7E17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7E17

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7E17	#FFFFFF	#000000	##FFFFFF
##3F7E17	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837300

Deuteranopia (green-blind)

#7A6E23

Tritanopia (blue-blind)

#3C796B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f7e17;
/* rgb */ color: rgb(63, 126, 23);
/* oklch */ color: oklch(53.1% 0.147 136.5);

Tailwind

colors: {
  custom: {
    50: '#7ba45e',
    500: '#3f7e17',
    950: '#000000',
  },
}

SCSS

$custom: #3f7e17;
$custom-light: #7ba45e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7e17",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 23
  },
  "hsl": {
    "h": 96.699,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.53061,
    "c": 0.14708,
    "h": 136.5
  },
  "luminance": 0.1604
}

Semantic roles & 50–950 ramp

primary

#3F7E17

secondary

#853EB3

accent

#3CECA8

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7E17

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

Preview Lab → · Contrast checker → · Palette generator →