#437C1F#437C1F

#437C1F is a mid, vivid yellow-green. Relative luminance 0.157; OKLCH L 52.8% C 0.138 H 136.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#437C1F
RGB	rgb(67, 124, 31)
HSL	hsl(97, 60%, 30%)
HSV	hsv(97, 75%, 49%)
CMYK	cmyk(46%, 0%, 75%, 51.4%)
CIE-LAB	lab(46.59, -35.56, 42.48)
CIE-LCH	lch(46.59, 55.40, 129.93°)
OKLab	oklab(52.77% -0.099 0.0958)
OKLCH	oklch(52.77% 0.138 136)
XYZ	xyz(9.7695, 15.7069, 3.8130)
Luminance	0.1571 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C1F #581F7C

analogous

#717C1F #437C1F #1F7C29

triadic

#437C1F #1F437C #7C1F43

tetradic

#437C1F #1F717C #581F7C #7C291F

square

#437C1F #1F717C #581F7C #7C291F

split-complementary

#437C1F #291F7C #7C1F71

monochromatic

#0E1A07 #294B13 #437C1F #5DAD2B #7BD045

Accessibility & contrast

On white

5.07

#437C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#437C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437C1F

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C1F	#FFFFFF	#000000	##FFFFFF
##437C1F	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81710E

Deuteranopia (green-blind)

#796D28

Tritanopia (blue-blind)

#41776A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #437c1f;
/* rgb */ color: rgb(67, 124, 31);
/* oklch */ color: oklch(52.8% 0.138 136.0);

Tailwind

colors: {
  custom: {
    50: '#7da261',
    500: '#437c1f',
    950: '#000000',
  },
}

SCSS

$custom: #437c1f;
$custom-light: #7da261;
$custom-dark: #000000;

JSON

{
  "hex": "#437c1f",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 31
  },
  "hsl": {
    "h": 96.774,
    "s": 60,
    "l": 30.392
  },
  "oklch": {
    "l": 0.52766,
    "c": 0.13772,
    "h": 136
  },
  "luminance": 0.15708
}

Semantic roles & 50–950 ramp

primary

#437C1F

secondary

#8748AF

accent

#45E3A6

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #437C1F

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

Preview Lab → · Contrast checker → · Palette generator →