#40901B#40901B

#40901B is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.1% C 0.167 H 138.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#40901B
RGB	rgb(64, 144, 27)
HSL	hsl(101, 68%, 34%)
HSV	hsv(101, 81%, 56%)
CMYK	cmyk(55.6%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.07, -44.93, 50.13)
CIE-LCH	lch(53.07, 67.32, 131.87°)
OKLab	oklab(58.06% -0.1243 0.1112)
OKLCH	oklch(58.06% 0.167 138.2)
XYZ	xyz(12.2850, 21.1147, 4.4649)
Luminance	0.2112 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40901B #6B1B90

analogous

#7A901B #40901B #1B9031

triadic

#40901B #1B4090 #901B40

tetradic

#40901B #1B7A90 #6B1B90 #90311B

square

#40901B #1B7A90 #6B1B90 #90311B

split-complementary

#40901B #311B90 #901B7A

monochromatic

#122908 #295C11 #40901B #57C425 #77DD49

Accessibility & contrast

On white

4.02

#40901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#40901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40901B

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40901B	#FFFFFF	#000000	##000000
##40901B	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8B7C29

Tritanopia (blue-blind)

#398B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #40901b;
/* rgb */ color: rgb(64, 144, 27);
/* oklch */ color: oklch(58.1% 0.167 138.2);

Tailwind

colors: {
  custom: {
    50: '#7eb162',
    500: '#40901b',
    950: '#000000',
  },
}

SCSS

$custom: #40901b;
$custom-light: #7eb162;
$custom-dark: #000000;

JSON

{
  "hex": "#40901b",
  "rgb": {
    "r": 64,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 101.026,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58061,
    "c": 0.16675,
    "h": 138.2
  },
  "luminance": 0.21116
}

Semantic roles & 50–950 ramp

primary

#40901B

secondary

#9948BF

accent

#3DEBB4

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #40901B

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

Preview Lab → · Contrast checker → · Palette generator →