#3F8D10#3F8D10

#3F8D10 is a mid, vivid yellow-green. Relative luminance 0.201; OKLCH L 57.1% C 0.168 H 137.4°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F8D10
RGB	rgb(63, 141, 16)
HSL	hsl(97, 80%, 31%)
HSV	hsv(97, 89%, 55%)
CMYK	cmyk(55.3%, 0%, 88.7%, 44.7%)
CIE-LAB	lab(52.00, -44.60, 52.09)
CIE-LCH	lch(52.00, 68.58, 130.57°)
OKLab	oklab(57.15% -0.1239 0.1138)
OKLCH	oklch(57.15% 0.168 137.4)
XYZ	xyz(11.6679, 20.1430, 3.7632)
Luminance	0.2014 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8D10 #5E108D

analogous

#7D8D10 #3F8D10 #108D1F

triadic

#3F8D10 #103F8D #8D103F

tetradic

#3F8D10 #107D8D #5E108D #8D1F10

square

#3F8D10 #107D8D #5E108D #8D1F10

split-complementary

#3F8D10 #1F108D #8D107D

monochromatic

#0E1F04 #26560A #3F8D10 #58C416 #75E730

Accessibility & contrast

On white

4.18

#3F8D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#3F8D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8D10

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8D10	#FFFFFF	#000000	##000000
##3F8D10	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928000

Deuteranopia (green-blind)

#887A22

Tritanopia (blue-blind)

#398877

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f8d10;
/* rgb */ color: rgb(63, 141, 16);
/* oklch */ color: oklch(57.1% 0.168 137.4);

Tailwind

colors: {
  custom: {
    50: '#7daf5e',
    500: '#3f8d10',
    950: '#000000',
  },
}

SCSS

$custom: #3f8d10;
$custom-light: #7daf5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8d10",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 16
  },
  "hsl": {
    "h": 97.44,
    "s": 79.618,
    "l": 30.784
  },
  "oklch": {
    "l": 0.57149,
    "c": 0.16818,
    "h": 137.4
  },
  "luminance": 0.20144
}

Semantic roles & 50–950 ramp

primary

#3F8D10

secondary

#8E37C2

accent

#32F6AC

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #3F8D10

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

Preview Lab → · Contrast checker → · Palette generator →