#407B1B#407B1B

#407B1B is a mid, vivid yellow-green. Relative luminance 0.153; OKLCH L 52.3% C 0.141 H 136.2°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#407B1B
RGB	rgb(64, 123, 27)
HSL	hsl(97, 64%, 29%)
HSV	hsv(97, 78%, 48%)
CMYK	cmyk(48%, 0%, 78%, 51.8%)
CIE-LAB	lab(46.09, -36.44, 43.45)
CIE-LCH	lch(46.09, 56.71, 129.99°)
OKLab	oklab(52.31% -0.1014 0.0972)
OKLCH	oklch(52.31% 0.141 136.2)
XYZ	xyz(9.3949, 15.3344, 3.5015)
Luminance	0.1533 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#407B1B #561B7B

analogous

#707B1B #407B1B #1B7B26

triadic

#407B1B #1B407B #7B1B40

tetradic

#407B1B #1B707B #561B7B #7B261B

square

#407B1B #1B707B #561B7B #7B261B

split-complementary

#407B1B #261B7B #7B1B70

monochromatic

#0D1906 #264910 #407B1B #5AAD26 #77D43C

Accessibility & contrast

On white

5.16

#407B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#407B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #407B1B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##407B1B	#FFFFFF	#000000	##FFFFFF
##407B1B	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807006

Deuteranopia (green-blind)

#786B25

Tritanopia (blue-blind)

#3D7669

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #407b1b;
/* rgb */ color: rgb(64, 123, 27);
/* oklch */ color: oklch(52.3% 0.141 136.2);

Tailwind

colors: {
  custom: {
    50: '#7ba25f',
    500: '#407b1b',
    950: '#000000',
  },
}

SCSS

$custom: #407b1b;
$custom-light: #7ba25f;
$custom-dark: #000000;

JSON

{
  "hex": "#407b1b",
  "rgb": {
    "r": 64,
    "g": 123,
    "b": 27
  },
  "hsl": {
    "h": 96.875,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.5231,
    "c": 0.14051,
    "h": 136.2
  },
  "luminance": 0.15335
}

Semantic roles & 50–950 ramp

primary

#407B1B

secondary

#8543AF

accent

#41E7A7

background

#F7FAF5

surface

#EEF3EA

border

#C9CDC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #407B1B

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

Preview Lab → · Contrast checker → · Palette generator →