#3F7B17#3F7B17

#3F7B17 is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.2% C 0.143 H 136.1°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#3F7B17
RGB	rgb(63, 123, 23)
HSL	hsl(96, 68%, 29%)
HSV	hsv(96, 81%, 48%)
CMYK	cmyk(48.8%, 0%, 81.3%, 51.8%)
CIE-LAB	lab(46.02, -37.03, 44.76)
CIE-LCH	lch(46.02, 58.09, 129.61°)
OKLab	oklab(52.23% -0.1032 0.0993)
OKLCH	oklch(52.23% 0.143 136.1)
XYZ	xyz(9.2873, 15.2839, 3.2712)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7B17 #53177B

analogous

#717B17 #3F7B17 #177B21

triadic

#3F7B17 #173F7B #7B173F

tetradic

#3F7B17 #17717B #53177B #7B2117

square

#3F7B17 #17717B #53177B #7B2117

split-complementary

#3F7B17 #21177B #7B1771

monochromatic

#0D1A05 #25470D #3F7B17 #59AF21 #76D933

Accessibility & contrast

On white

5.18

#3F7B17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3F7B17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7B17

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7B17	#FFFFFF	#000000	##FFFFFF
##3F7B17	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807000

Deuteranopia (green-blind)

#786B22

Tritanopia (blue-blind)

#3C7668

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f7b17;
/* rgb */ color: rgb(63, 123, 23);
/* oklch */ color: oklch(52.2% 0.143 136.1);

Tailwind

colors: {
  custom: {
    50: '#7aa25d',
    500: '#3f7b17',
    950: '#000000',
  },
}

SCSS

$custom: #3f7b17;
$custom-light: #7aa25d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7b17",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 23
  },
  "hsl": {
    "h": 96,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.52234,
    "c": 0.14328,
    "h": 136.1
  },
  "luminance": 0.15285
}

Semantic roles & 50–950 ramp

primary

#3F7B17

secondary

#823EB0

accent

#3CEBA5

background

#F7FAF5

surface

#EEF3E9

border

#C9CDC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F7B17

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

Preview Lab → · Contrast checker → · Palette generator →