#408E18#408E18

#408E18 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.5% C 0.166 H 137.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#408E18
RGB	rgb(64, 142, 24)
HSL	hsl(100, 71%, 33%)
HSV	hsv(100, 83%, 56%)
CMYK	cmyk(54.9%, 0%, 83.1%, 44.3%)
CIE-LAB	lab(52.40, -44.33, 50.40)
CIE-LCH	lch(52.40, 67.12, 131.33°)
OKLab	oklab(57.5% -0.1228 0.1113)
OKLCH	oklch(57.5% 0.166 137.8)
XYZ	xyz(11.9518, 20.5010, 4.1913)
Luminance	0.2050 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408E18 #66188E

analogous

#7B8E18 #408E18 #188E2B

triadic

#408E18 #18408E #8E1840

tetradic

#408E18 #187B8E #66188E #8E2B18

square

#408E18 #187B8E #66188E #8E2B18

split-complementary

#408E18 #2B188E #8E187B

monochromatic

#112506 #285A0F #408E18 #58C221 #77DF41

Accessibility & contrast

On white

4.12

#408E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#408E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408E18

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408E18	#FFFFFF	#000000	##000000
##408E18	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897B27

Tritanopia (blue-blind)

#3A8979

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #408e18;
/* rgb */ color: rgb(64, 142, 24);
/* oklch */ color: oklch(57.5% 0.166 137.8);

Tailwind

colors: {
  custom: {
    50: '#7eb061',
    500: '#408e18',
    950: '#000000',
  },
}

SCSS

$custom: #408e18;
$custom-light: #7eb061;
$custom-dark: #000000;

JSON

{
  "hex": "#408e18",
  "rgb": {
    "r": 64,
    "g": 142,
    "b": 24
  },
  "hsl": {
    "h": 99.661,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57499,
    "c": 0.16575,
    "h": 137.8
  },
  "luminance": 0.20502
}

Semantic roles & 50–950 ramp

primary

#408E18

secondary

#9542C0

accent

#3AEEB1

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1005

muted

#7C7F7A

Preview Lab

Preview with #408E18

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

Preview Lab → · Contrast checker → · Palette generator →