#437B1B#437B1B

#437B1B is a mid, vivid yellow-green. Relative luminance 0.154; OKLCH L 52.5% C 0.139 H 135.4°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#437B1B
RGB	rgb(67, 123, 27)
HSL	hsl(95, 64%, 29%)
HSV	hsv(95, 78%, 48%)
CMYK	cmyk(45.5%, 0%, 78%, 51.8%)
CIE-LAB	lab(46.23, -35.41, 43.63)
CIE-LCH	lch(46.23, 56.19, 129.06°)
OKLab	oklab(52.46% -0.0989 0.0976)
OKLCH	oklch(52.46% 0.139 135.4)
XYZ	xyz(9.5953, 15.4378, 3.5109)
Luminance	0.1544 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437B1B #531B7B

analogous

#737B1B #437B1B #1B7B23

triadic

#437B1B #1B437B #7B1B43

tetradic

#437B1B #1B737B #531B7B #7B231B

square

#437B1B #1B737B #531B7B #7B231B

split-complementary

#437B1B #231B7B #7B1B73

monochromatic

#0E1906 #284910 #437B1B #5EAD26 #7CD43C

Accessibility & contrast

On white

5.14

#437B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#437B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437B1B

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437B1B	#FFFFFF	#000000	##FFFFFF
##437B1B	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807006

Deuteranopia (green-blind)

#786C25

Tritanopia (blue-blind)

#417669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #437b1b;
/* rgb */ color: rgb(67, 123, 27);
/* oklch */ color: oklch(52.5% 0.139 135.4);

Tailwind

colors: {
  custom: {
    50: '#7da15f',
    500: '#437b1b',
    950: '#000000',
  },
}

SCSS

$custom: #437b1b;
$custom-light: #7da15f;
$custom-dark: #000000;

JSON

{
  "hex": "#437b1b",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 27
  },
  "hsl": {
    "h": 95,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.52463,
    "c": 0.13889,
    "h": 135.4
  },
  "luminance": 0.15438
}

Semantic roles & 50–950 ramp

primary

#437B1B

secondary

#8243AF

accent

#41E7A2

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #437B1B

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

Preview Lab → · Contrast checker → · Palette generator →