#3F7B19#3F7B19

#3F7B19 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.2% C 0.142 H 136.3°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3F7B19
RGB	rgb(63, 123, 25)
HSL	hsl(97, 66%, 29%)
HSV	hsv(97, 80%, 48%)
CMYK	cmyk(48.8%, 0%, 79.7%, 51.8%)
CIE-LAB	lab(46.03, -36.91, 44.09)
CIE-LCH	lch(46.03, 57.50, 129.93°)
OKLab	oklab(52.25% -0.1028 0.0983)
OKLCH	oklch(52.25% 0.142 136.3)
XYZ	xyz(9.3081, 15.2923, 3.3807)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7B19 #55197B

analogous

#707B19 #3F7B19 #197B24

triadic

#3F7B19 #193F7B #7B193F

tetradic

#3F7B19 #19707B #55197B #7B2419

square

#3F7B19 #19707B #55197B #7B2419

split-complementary

#3F7B19 #24197B #7B1970

monochromatic

#0D1905 #25480F #3F7B19 #59AE23 #75D738

Accessibility & contrast

On white

5.17

#3F7B19 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3F7B19 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7B19

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7B19	#FFFFFF	#000000	##FFFFFF
##3F7B19	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807002

Deuteranopia (green-blind)

#786B24

Tritanopia (blue-blind)

#3C7669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f7b19;
/* rgb */ color: rgb(63, 123, 25);
/* oklch */ color: oklch(52.2% 0.142 136.3);

Tailwind

colors: {
  custom: {
    50: '#7aa25e',
    500: '#3f7b19',
    950: '#000000',
  },
}

SCSS

$custom: #3f7b19;
$custom-light: #7aa25e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7b19",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 25
  },
  "hsl": {
    "h": 96.735,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.52247,
    "c": 0.14219,
    "h": 136.3
  },
  "luminance": 0.15293
}

Semantic roles & 50–950 ramp

primary

#3F7B19

secondary

#8440AF

accent

#3FE9A7

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7B19

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

Preview Lab → · Contrast checker → · Palette generator →