#408B18#408B18

#408B18 is a mid, vivid yellow-green. Relative luminance 0.196; OKLCH L 56.7% C 0.162 H 137.6°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#408B18
RGB	rgb(64, 139, 24)
HSL	hsl(99, 71%, 32%)
HSV	hsv(99, 83%, 55%)
CMYK	cmyk(54%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(51.41, -43.16, 49.48)
CIE-LCH	lch(51.41, 65.66, 131.09°)
OKLab	oklab(56.68% -0.1197 0.1094)
OKLCH	oklch(56.68% 0.162 137.6)
XYZ	xyz(11.5115, 19.6203, 4.0445)
Luminance	0.1962 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408B18 #63188B

analogous

#7A8B18 #408B18 #188B29

triadic

#408B18 #18408B #8B1840

tetradic

#408B18 #187A8B #63188B #8B2918

square

#408B18 #187A8B #63188B #8B2918

split-complementary

#408B18 #29188B #8B187A

monochromatic

#102306 #28570F #408B18 #58BF21 #77DE3F

Accessibility & contrast

On white

4.26

#408B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#408B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408B18

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408B18	#FFFFFF	#000000	##000000
##408B18	1.00	4.26	4.92	4.92
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907E00

Deuteranopia (green-blind)

#867826

Tritanopia (blue-blind)

#3A8676

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #408b18;
/* rgb */ color: rgb(64, 139, 24);
/* oklch */ color: oklch(56.7% 0.162 137.6);

Tailwind

colors: {
  custom: {
    50: '#7dad60',
    500: '#408b18',
    950: '#000000',
  },
}

SCSS

$custom: #408b18;
$custom-light: #7dad60;
$custom-dark: #000000;

JSON

{
  "hex": "#408b18",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 99.13,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.5668,
    "c": 0.16215,
    "h": 137.6
  },
  "luminance": 0.19621
}

Semantic roles & 50–950 ramp

primary

#408B18

secondary

#9340BE

accent

#3AEDAF

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #408B18

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

Preview Lab → · Contrast checker → · Palette generator →