#3F8F12#3F8F12

#3F8F12 is a mid, vivid yellow-green. Relative luminance 0.207; OKLCH L 57.7% C 0.170 H 137.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F8F12
RGB	rgb(63, 143, 18)
HSL	hsl(98, 78%, 32%)
HSV	hsv(98, 87%, 56%)
CMYK	cmyk(55.9%, 0%, 87.4%, 43.9%)
CIE-LAB	lab(52.67, -45.28, 52.21)
CIE-LCH	lch(52.67, 69.12, 130.93°)
OKLab	oklab(57.7% -0.1256 0.1143)
OKLCH	oklch(57.7% 0.17 137.7)
XYZ	xyz(11.9811, 20.7444, 3.9449)
Luminance	0.2074 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8F12 #62128F

analogous

#7E8F12 #3F8F12 #128F24

triadic

#3F8F12 #123F8F #8F123F

tetradic

#3F8F12 #127E8F #62128F #8F2412

square

#3F8F12 #127E8F #62128F #8F2412

split-complementary

#3F8F12 #24128F #8F127E

monochromatic

#0F2204 #27590B #3F8F12 #57C519 #75E636

Accessibility & contrast

On white

4.08

#3F8F12 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3F8F12 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8F12

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8F12	#FFFFFF	#000000	##000000
##3F8F12	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8A7B23

Tritanopia (blue-blind)

#398A79

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f8f12;
/* rgb */ color: rgb(63, 143, 18);
/* oklch */ color: oklch(57.7% 0.170 137.7);

Tailwind

colors: {
  custom: {
    50: '#7eb05e',
    500: '#3f8f12',
    950: '#000000',
  },
}

SCSS

$custom: #3f8f12;
$custom-light: #7eb05e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8f12",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 18
  },
  "hsl": {
    "h": 98.4,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57704,
    "c": 0.16982,
    "h": 137.7
  },
  "luminance": 0.20745
}

Semantic roles & 50–950 ramp

primary

#3F8F12

secondary

#923AC3

accent

#34F4AF

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1105

muted

#7C8079

Preview Lab

Preview with #3F8F12

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

Preview Lab → · Contrast checker → · Palette generator →