#437F1B#437F1B

#437F1B is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.6% C 0.144 H 135.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#437F1B
RGB	rgb(67, 127, 27)
HSL	hsl(96, 65%, 30%)
HSV	hsv(96, 79%, 50%)
CMYK	cmyk(47.2%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(47.56, -37.13, 44.92)
CIE-LCH	lch(47.56, 58.28, 129.57°)
OKLab	oklab(53.56% -0.1035 0.1003)
OKLCH	oklch(53.56% 0.144 135.9)
XYZ	xyz(10.1017, 16.4505, 3.6797)
Luminance	0.1645 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437F1B #571B7F

analogous

#757F1B #437F1B #1B7F25

triadic

#437F1B #1B437F #7F1B43

tetradic

#437F1B #1B757F #571B7F #7F251B

square

#437F1B #1B757F #571B7F #7F251B

split-complementary

#437F1B #251B7F #7F1B75

monochromatic

#0E1A06 #284D10 #437F1B #5EB126 #7BD63E

Accessibility & contrast

On white

4.89

#437F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#437F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #437F1B

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437F1B	#FFFFFF	#000000	##FFFFFF
##437F1B	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)

#847404

Deuteranopia (green-blind)

#7C6F26

Tritanopia (blue-blind)

#417A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #437f1b;
/* rgb */ color: rgb(67, 127, 27);
/* oklch */ color: oklch(53.6% 0.144 135.9);

Tailwind

colors: {
  custom: {
    50: '#7da460',
    500: '#437f1b',
    950: '#000000',
  },
}

SCSS

$custom: #437f1b;
$custom-light: #7da460;
$custom-dark: #000000;

JSON

{
  "hex": "#437f1b",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 96,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.53556,
    "c": 0.1441,
    "h": 135.9
  },
  "luminance": 0.16451
}

Semantic roles & 50–950 ramp

primary

#437F1B

secondary

#8643B3

accent

#40E8A5

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #437F1B

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

Preview Lab → · Contrast checker → · Palette generator →