#3F8F15#3F8F15

#3F8F15 is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 57.7% C 0.169 H 137.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3F8F15
RGB	rgb(63, 143, 21)
HSL	hsl(99, 74%, 32%)
HSV	hsv(99, 85%, 56%)
CMYK	cmyk(55.9%, 0%, 85.3%, 43.9%)
CIE-LAB	lab(52.68, -45.15, 51.47)
CIE-LCH	lch(52.68, 68.47, 131.26°)
OKLab	oklab(57.72% -0.1251 0.1131)
OKLCH	oklch(57.72% 0.169 137.9)
XYZ	xyz(12.0073, 20.7549, 4.0827)
Luminance	0.2076 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8F15 #65158F

analogous

#7C8F15 #3F8F15 #158F28

triadic

#3F8F15 #153F8F #8F153F

tetradic

#3F8F15 #157C8F #65158F #8F2815

square

#3F8F15 #157C8F #65158F #8F2815

split-complementary

#3F8F15 #28158F #8F157C

monochromatic

#102405 #275A0D #3F8F15 #57C41D #75E23C

Accessibility & contrast

On white

4.08

#3F8F15 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#3F8F15 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8F15

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8F15	#FFFFFF	#000000	##000000
##3F8F15	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)

#8A7B25

Tritanopia (blue-blind)

#388A79

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f8f15;
/* rgb */ color: rgb(63, 143, 21);
/* oklch */ color: oklch(57.7% 0.169 137.9);

Tailwind

colors: {
  custom: {
    50: '#7eb060',
    500: '#3f8f15',
    950: '#000000',
  },
}

SCSS

$custom: #3f8f15;
$custom-light: #7eb060;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8f15",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 21
  },
  "hsl": {
    "h": 99.344,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.57717,
    "c": 0.16869,
    "h": 137.9
  },
  "luminance": 0.20756
}

Semantic roles & 50–950 ramp

primary

#3F8F15

secondary

#953EC2

accent

#37F1B1

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1105

muted

#7C8079

Preview Lab

Preview with #3F8F15

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

Preview Lab → · Contrast checker → · Palette generator →