#407F1B#407F1B

#407F1B is a mid, vivid yellow-green. Relative luminance 0.163; OKLCH L 53.4% C 0.146 H 136.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#407F1B
RGB	rgb(64, 127, 27)
HSL	hsl(98, 65%, 30%)
HSV	hsv(98, 79%, 50%)
CMYK	cmyk(49.6%, 0%, 78.7%, 50.2%)
CIE-LAB	lab(47.43, -38.13, 44.75)
CIE-LCH	lch(47.43, 58.79, 130.43°)
OKLab	oklab(53.41% -0.106 0.0999)
OKLCH	oklch(53.41% 0.146 136.7)
XYZ	xyz(9.9013, 16.3472, 3.6703)
Luminance	0.1635 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407F1B #5A1B7F

analogous

#727F1B #407F1B #1B7F28

triadic

#407F1B #1B407F #7F1B40

tetradic

#407F1B #1B727F #5A1B7F #7F281B

square

#407F1B #1B727F #5A1B7F #7F281B

split-complementary

#407F1B #281B7F #7F1B72

monochromatic

#0D1A06 #274D10 #407F1B #59B126 #76D63E

Accessibility & contrast

On white

4.92

#407F1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#407F1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407F1B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407F1B	#FFFFFF	#000000	##FFFFFF
##407F1B	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)

#847404

Deuteranopia (green-blind)

#7B6F26

Tritanopia (blue-blind)

#3D7A6C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #407f1b;
/* rgb */ color: rgb(64, 127, 27);
/* oklch */ color: oklch(53.4% 0.146 136.7);

Tailwind

colors: {
  custom: {
    50: '#7ba560',
    500: '#407f1b',
    950: '#000000',
  },
}

SCSS

$custom: #407f1b;
$custom-light: #7ba560;
$custom-dark: #000000;

JSON

{
  "hex": "#407f1b",
  "rgb": {
    "r": 64,
    "g": 127,
    "b": 27
  },
  "hsl": {
    "h": 97.8,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.5341,
    "c": 0.14568,
    "h": 136.7
  },
  "luminance": 0.16348
}

Semantic roles & 50–950 ramp

primary

#407F1B

secondary

#8943B3

accent

#40E8AA

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #407F1B

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

Preview Lab → · Contrast checker → · Palette generator →