#437C1B#437C1B

#437C1B is a mid, vivid yellow-green. Relative luminance 0.157; OKLCH L 52.7% C 0.140 H 135.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#437C1B
RGB	rgb(67, 124, 27)
HSL	hsl(95, 64%, 30%)
HSV	hsv(95, 78%, 49%)
CMYK	cmyk(46%, 0%, 78.2%, 51.4%)
CIE-LAB	lab(46.56, -35.84, 43.96)
CIE-LCH	lch(46.56, 56.72, 129.19°)
OKLab	oklab(52.74% -0.1 0.0982)
OKLCH	oklch(52.74% 0.14 135.5)
XYZ	xyz(9.7200, 15.6871, 3.5524)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437C1B #541B7C

analogous

#737C1B #437C1B #1B7C24

triadic

#437C1B #1B437C #7C1B43

tetradic

#437C1B #1B737C #541B7C #7C241B

square

#437C1B #1B737C #541B7C #7C241B

split-complementary

#437C1B #241B7C #7C1B73

monochromatic

#0E1905 #284A10 #437C1B #5EAE26 #7BD53D

Accessibility & contrast

On white

5.08

#437C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#437C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437C1B

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437C1B	#FFFFFF	#000000	##FFFFFF
##437C1B	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817105

Deuteranopia (green-blind)

#796D25

Tritanopia (blue-blind)

#41776A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #437c1b;
/* rgb */ color: rgb(67, 124, 27);
/* oklch */ color: oklch(52.7% 0.140 135.5);

Tailwind

colors: {
  custom: {
    50: '#7da25f',
    500: '#437c1b',
    950: '#000000',
  },
}

SCSS

$custom: #437c1b;
$custom-light: #7da25f;
$custom-dark: #000000;

JSON

{
  "hex": "#437c1b",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 27
  },
  "hsl": {
    "h": 95.258,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.52736,
    "c": 0.1402,
    "h": 135.5
  },
  "luminance": 0.15688
}

Semantic roles & 50–950 ramp

primary

#437C1B

secondary

#8343B0

accent

#41E7A3

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #437C1B

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

Preview Lab → · Contrast checker → · Palette generator →