#407F18#407F18

#407F18 is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.4% C 0.147 H 136.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#407F18
RGB	rgb(64, 127, 24)
HSL	hsl(97, 68%, 30%)
HSV	hsv(97, 81%, 50%)
CMYK	cmyk(49.6%, 0%, 81.1%, 50.2%)
CIE-LAB	lab(47.41, -38.32, 45.75)
CIE-LCH	lch(47.41, 59.68, 129.94°)
OKLab	oklab(53.39% -0.1067 0.1016)
OKLCH	oklch(53.39% 0.147 136.4)
XYZ	xyz(9.8683, 16.3340, 3.4968)
Luminance	0.1633 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407F18 #57187F

analogous

#747F18 #407F18 #187F24

triadic

#407F18 #18407F #7F1840

tetradic

#407F18 #18747F #57187F #7F2418

square

#407F18 #18747F #57187F #7F2418

split-complementary

#407F18 #24187F #7F1874

monochromatic

#0D1A05 #264C0E #407F18 #5AB222 #77D938

Accessibility & contrast

On white

4.92

#407F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#407F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407F18

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407F18	#FFFFFF	#000000	##FFFFFF
##407F18	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7B6F24

Tritanopia (blue-blind)

#3D7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #407f18;
/* rgb */ color: rgb(64, 127, 24);
/* oklch */ color: oklch(53.4% 0.147 136.4);

Tailwind

colors: {
  custom: {
    50: '#7ca55e',
    500: '#407f18',
    950: '#000000',
  },
}

SCSS

$custom: #407f18;
$custom-light: #7ca55e;
$custom-dark: #000000;

JSON

{
  "hex": "#407f18",
  "rgb": {
    "r": 64,
    "g": 127,
    "b": 24
  },
  "hsl": {
    "h": 96.699,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.5339,
    "c": 0.14731,
    "h": 136.4
  },
  "luminance": 0.16335
}

Semantic roles & 50–950 ramp

primary

#407F18

secondary

#863FB3

accent

#3DEBA7

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #407F18

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

Preview Lab → · Contrast checker → · Palette generator →