#3F8A12#3F8A12

#3F8A12 is a mid, vivid yellow-green. Relative luminance 0.193; OKLCH L 56.3% C 0.164 H 137.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3F8A12
RGB	rgb(63, 138, 18)
HSL	hsl(98, 77%, 31%)
HSV	hsv(98, 87%, 54%)
CMYK	cmyk(54.3%, 0%, 87%, 45.9%)
CIE-LAB	lab(51.01, -43.36, 50.75)
CIE-LCH	lch(51.01, 66.75, 130.51°)
OKLab	oklab(56.34% -0.1205 0.1112)
OKLCH	oklch(56.34% 0.164 137.3)
XYZ	xyz(11.2472, 19.2765, 3.7002)
Luminance	0.1928 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8A12 #5D128A

analogous

#7B8A12 #3F8A12 #128A21

triadic

#3F8A12 #123F8A #8A123F

tetradic

#3F8A12 #127B8A #5D128A #8A2112

square

#3F8A12 #127B8A #5D128A #8A2112

split-complementary

#3F8A12 #21128A #8A127B

monochromatic

#0E1E04 #26540B #3F8A12 #58C019 #75E432

Accessibility & contrast

On white

4.33

#3F8A12 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#3F8A12 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8A12

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8A12	#FFFFFF	#000000	##000000
##3F8A12	1.00	4.33	4.86	4.86
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7D00

Deuteranopia (green-blind)

#857722

Tritanopia (blue-blind)

#3A8575

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3f8a12;
/* rgb */ color: rgb(63, 138, 18);
/* oklch */ color: oklch(56.3% 0.164 137.3);

Tailwind

colors: {
  custom: {
    50: '#7dad5e',
    500: '#3f8a12',
    950: '#000000',
  },
}

SCSS

$custom: #3f8a12;
$custom-light: #7dad5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8a12",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 18
  },
  "hsl": {
    "h": 97.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.56335,
    "c": 0.16393,
    "h": 137.3
  },
  "luminance": 0.19277
}

Semantic roles & 50–950 ramp

primary

#3F8A12

secondary

#8D39BF

accent

#34F3AC

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #3F8A12

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

Preview Lab → · Contrast checker → · Palette generator →