#437B1F#437B1F

#437B1F is a mid, vivid yellow-green. Relative luminance 0.155; OKLCH L 52.5% C 0.136 H 135.8°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#437B1F
RGB	rgb(67, 123, 31)
HSL	hsl(97, 60%, 30%)
HSV	hsv(97, 75%, 48%)
CMYK	cmyk(45.5%, 0%, 74.8%, 51.8%)
CIE-LAB	lab(46.25, -35.13, 42.14)
CIE-LCH	lch(46.25, 54.86, 129.81°)
OKLab	oklab(52.49% -0.0978 0.0951)
OKLCH	oklch(52.49% 0.136 135.8)
XYZ	xyz(9.6448, 15.4576, 3.7715)
Luminance	0.1546 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437B1F #571F7B

analogous

#717B1F #437B1F #1F7B29

triadic

#437B1F #1F437B #7B1F43

tetradic

#437B1F #1F717B #571F7B #7B291F

square

#437B1F #1F717B #571F7B #7B291F

split-complementary

#437B1F #291F7B #7B1F71

monochromatic

#0E1906 #284A13 #437B1F #5EAC2B #7BD044

Accessibility & contrast

On white

5.13

#437B1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#437B1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437B1F

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437B1F	#FFFFFF	#000000	##FFFFFF
##437B1F	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80700F

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#417669

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #437b1f;
/* rgb */ color: rgb(67, 123, 31);
/* oklch */ color: oklch(52.5% 0.136 135.8);

Tailwind

colors: {
  custom: {
    50: '#7ca161',
    500: '#437b1f',
    950: '#000000',
  },
}

SCSS

$custom: #437b1f;
$custom-light: #7ca161;
$custom-dark: #000000;

JSON

{
  "hex": "#437b1f",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 31
  },
  "hsl": {
    "h": 96.522,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.52493,
    "c": 0.13639,
    "h": 135.8
  },
  "luminance": 0.15458
}

Semantic roles & 50–950 ramp

primary

#437B1F

secondary

#8648AE

accent

#45E3A5

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #437B1F

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

Preview Lab → · Contrast checker → · Palette generator →