#3F8F13#3F8F13

#3F8F13 is a mid, vivid yellow-green. Relative luminance 0.207; OKLCH L 57.7% C 0.169 H 137.8°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F8F13
RGB	rgb(63, 143, 19)
HSL	hsl(99, 77%, 32%)
HSV	hsv(99, 87%, 56%)
CMYK	cmyk(55.9%, 0%, 86.7%, 43.9%)
CIE-LAB	lab(52.67, -45.24, 51.98)
CIE-LCH	lch(52.67, 68.91, 131.04°)
OKLab	oklab(57.71% -0.1254 0.1139)
OKLCH	oklch(57.71% 0.169 137.8)
XYZ	xyz(11.9895, 20.7477, 3.9889)
Luminance	0.2075 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8F13 #63138F

analogous

#7D8F13 #3F8F13 #138F25

triadic

#3F8F13 #133F8F #8F133F

tetradic

#3F8F13 #137D8F #63138F #8F2513

square

#3F8F13 #137D8F #63138F #8F2513

split-complementary

#3F8F13 #25138F #8F137D

monochromatic

#0F2305 #27590C #3F8F13 #57C51A #75E538

Accessibility & contrast

On white

4.08

#3F8F13 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3F8F13 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8F13

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8F13	#FFFFFF	#000000	##000000
##3F8F13	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)

#8A7B24

Tritanopia (blue-blind)

#388A79

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f8f13;
/* rgb */ color: rgb(63, 143, 19);
/* oklch */ color: oklch(57.7% 0.169 137.8);

Tailwind

colors: {
  custom: {
    50: '#7eb05f',
    500: '#3f8f13',
    950: '#000000',
  },
}

SCSS

$custom: #3f8f13;
$custom-light: #7eb05f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8f13",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 19
  },
  "hsl": {
    "h": 98.71,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.57708,
    "c": 0.16946,
    "h": 137.8
  },
  "luminance": 0.20749
}

Semantic roles & 50–950 ramp

primary

#3F8F13

secondary

#933BC3

accent

#35F3B0

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1105

muted

#7C8079

Preview Lab

Preview with #3F8F13

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

Preview Lab → · Contrast checker → · Palette generator →