#408C18#408C18

#408C18 is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 57.0% C 0.163 H 137.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#408C18
RGB	rgb(64, 140, 24)
HSL	hsl(99, 71%, 32%)
HSV	hsv(99, 83%, 55%)
CMYK	cmyk(54.3%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(51.74, -43.55, 49.79)
CIE-LCH	lch(51.74, 66.15, 131.17°)
OKLab	oklab(56.95% -0.1207 0.11)
OKLCH	oklch(56.95% 0.163 137.7)
XYZ	xyz(11.6569, 19.9112, 4.0930)
Luminance	0.1991 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408C18 #64188C

analogous

#7A8C18 #408C18 #188C2A

triadic

#408C18 #18408C #8C1840

tetradic

#408C18 #187A8C #64188C #8C2A18

square

#408C18 #187A8C #64188C #8C2A18

split-complementary

#408C18 #2A188C #8C187A

monochromatic

#102406 #28580F #408C18 #58C021 #77DE40

Accessibility & contrast

On white

4.21

#408C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#408C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408C18

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408C18	#FFFFFF	#000000	##000000
##408C18	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#917F00

Deuteranopia (green-blind)

#877926

Tritanopia (blue-blind)

#3A8777

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #408c18;
/* rgb */ color: rgb(64, 140, 24);
/* oklch */ color: oklch(57.0% 0.163 137.7);

Tailwind

colors: {
  custom: {
    50: '#7eae60',
    500: '#408c18',
    950: '#000000',
  },
}

SCSS

$custom: #408c18;
$custom-light: #7eae60;
$custom-dark: #000000;

JSON

{
  "hex": "#408c18",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 99.31,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56953,
    "c": 0.16335,
    "h": 137.7
  },
  "luminance": 0.19912
}

Semantic roles & 50–950 ramp

primary

#408C18

secondary

#9341BF

accent

#3AEDB0

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #408C18

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

Preview Lab → · Contrast checker → · Palette generator →