#437F1F#437F1F

#437F1F is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.6% C 0.142 H 136.3°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#437F1F
RGB	rgb(67, 127, 31)
HSL	hsl(98, 61%, 31%)
HSV	hsv(98, 76%, 50%)
CMYK	cmyk(47.2%, 0%, 75.6%, 50.2%)
CIE-LAB	lab(47.59, -36.85, 43.48)
CIE-LCH	lch(47.59, 56.99, 130.28°)
OKLab	oklab(53.59% -0.1025 0.0979)
OKLCH	oklch(53.59% 0.142 136.3)
XYZ	xyz(10.1512, 16.4703, 3.9403)
Luminance	0.1647 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437F1F #5B1F7F

analogous

#737F1F #437F1F #1F7F2B

triadic

#437F1F #1F437F #7F1F43

tetradic

#437F1F #1F737F #5B1F7F #7F2B1F

square

#437F1F #1F737F #5B1F7F #7F2B1F

split-complementary

#437F1F #2B1F7F #7F1F73

monochromatic

#0F1D07 #294E13 #437F1F #5DB02B #7BD246

Accessibility & contrast

On white

4.89

#437F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#437F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437F1F

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437F1F	#FFFFFF	#000000	##FFFFFF
##437F1F	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#84740D

Deuteranopia (green-blind)

#7C6F29

Tritanopia (blue-blind)

#407A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #437f1f;
/* rgb */ color: rgb(67, 127, 31);
/* oklch */ color: oklch(53.6% 0.142 136.3);

Tailwind

colors: {
  custom: {
    50: '#7da462',
    500: '#437f1f',
    950: '#000000',
  },
}

SCSS

$custom: #437f1f;
$custom-light: #7da462;
$custom-dark: #000000;

JSON

{
  "hex": "#437f1f",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 31
  },
  "hsl": {
    "h": 97.5,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53585,
    "c": 0.14169,
    "h": 136.3
  },
  "luminance": 0.16471
}

Semantic roles & 50–950 ramp

primary

#437F1F

secondary

#8A48B2

accent

#44E4A8

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #437F1F

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

Preview Lab → · Contrast checker → · Palette generator →