#40991B#40991B

#40991B is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.5% C 0.177 H 138.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#40991B
RGB	rgb(64, 153, 27)
HSL	hsl(102, 70%, 35%)
HSV	hsv(102, 82%, 60%)
CMYK	cmyk(58.2%, 0%, 82.4%, 40%)
CIE-LAB	lab(56.04, -48.33, 52.88)
CIE-LCH	lch(56.04, 71.64, 132.43°)
OKLab	oklab(60.51% -0.1334 0.117)
OKLCH	oklch(60.51% 0.177 138.8)
XYZ	xyz(13.7029, 23.9504, 4.9375)
Luminance	0.2395 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40991B #741B99

analogous

#7F991B #40991B #1B9935

triadic

#40991B #1B4099 #991B40

tetradic

#40991B #1B7F99 #741B99 #99351B

square

#40991B #1B7F99 #741B99 #99351B

split-complementary

#40991B #351B99 #991B7F

monochromatic

#143109 #2A6512 #40991B #56CD24 #79E04F

Accessibility & contrast

On white

3.63

#40991B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#40991B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40991B

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40991B	#FFFFFF	#000000	##000000
##40991B	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#93842B

Tritanopia (blue-blind)

#379482

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #40991b;
/* rgb */ color: rgb(64, 153, 27);
/* oklch */ color: oklch(60.5% 0.177 138.8);

Tailwind

colors: {
  custom: {
    50: '#80b863',
    500: '#40991b',
    950: '#000000',
  },
}

SCSS

$custom: #40991b;
$custom-light: #80b863;
$custom-dark: #000000;

JSON

{
  "hex": "#40991b",
  "rgb": {
    "r": 64,
    "g": 153,
    "b": 27
  },
  "hsl": {
    "h": 102.381,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.60508,
    "c": 0.17741,
    "h": 138.8
  },
  "luminance": 0.23952
}

Semantic roles & 50–950 ramp

primary

#40991B

secondary

#A04EC2

accent

#3BEDB9

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #40991B

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

Preview Lab → · Contrast checker → · Palette generator →