#3F5C10#3F5C10

#3F5C10 is a dark, moderate yellow-green. Relative luminance 0.087; OKLCH L 43.6% C 0.106 H 128.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F5C10
RGB	rgb(63, 92, 16)
HSL	hsl(83, 70%, 21%)
HSV	hsv(83, 83%, 36%)
CMYK	cmyk(31.5%, 0%, 82.6%, 63.9%)
CIE-LAB	lab(35.50, -23.20, 37.24)
CIE-LCH	lch(35.50, 43.87, 121.92°)
OKLab	oklab(43.61% -0.0664 0.0824)
OKLCH	oklch(43.61% 0.106 128.9)
XYZ	xyz(5.9706, 8.7483, 1.8641)
Luminance	0.0875 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5C10 #2D105C

analogous

#5C5310 #3F5C10 #195C10

triadic

#3F5C10 #103F5C #5C103F

tetradic

#3F5C10 #105C53 #2D105C #5C1019

square

#3F5C10 #105C53 #2D105C #5C1019

split-complementary

#3F5C10 #10195C #53105C

monochromatic

#121A05 #1B2807 #3F5C10 #639019 #86C422

Accessibility & contrast

On white

7.64

#3F5C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3F5C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5C10

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5C10	#FFFFFF	#000000	##FFFFFF
##3F5C10	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615500

Deuteranopia (green-blind)

#5D5318

Tritanopia (blue-blind)

#41584E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f5c10;
/* rgb */ color: rgb(63, 92, 16);
/* oklch */ color: oklch(43.6% 0.106 128.9);

Tailwind

colors: {
  custom: {
    50: '#778a55',
    500: '#3f5c10',
    950: '#000000',
  },
}

SCSS

$custom: #3f5c10;
$custom-light: #778a55;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5c10",
  "rgb": {
    "r": 63,
    "g": 92,
    "b": 16
  },
  "hsl": {
    "h": 82.895,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.4361,
    "c": 0.10584,
    "h": 128.9
  },
  "luminance": 0.08748
}

Semantic roles & 50–950 ramp

primary

#3F5C10

secondary

#583395

accent

#3BED7F

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5C10

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

Preview Lab → · Contrast checker → · Palette generator →