#405B10#405B10

#405B10 is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.4% C 0.104 H 128.0°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#405B10
RGB	rgb(64, 91, 16)
HSL	hsl(82, 70%, 21%)
HSV	hsv(82, 82%, 36%)
CMYK	cmyk(29.7%, 0%, 82.4%, 64.3%)
CIE-LAB	lab(35.22, -22.26, 37.00)
CIE-LCH	lch(35.22, 43.18, 121.03°)
OKLab	oklab(43.4% -0.0639 0.0819)
OKLCH	oklch(43.4% 0.104 128)
XYZ	xyz(5.9490, 8.6094, 1.8385)
Luminance	0.0861 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405B10 #2B105B

analogous

#5B5010 #405B10 #1A5B10

triadic

#405B10 #10405B #5B1040

tetradic

#405B10 #105B50 #2B105B #5B101A

square

#405B10 #105B50 #2B105B #5B101A

split-complementary

#405B10 #101A5B #50105B

monochromatic

#121A05 #1B2707 #405B10 #658F19 #89C322

Accessibility & contrast

On white

7.71

#405B10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#405B10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405B10

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405B10	#FFFFFF	#000000	##FFFFFF
##405B10	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605401

Deuteranopia (green-blind)

#5C5218

Tritanopia (blue-blind)

#43564D

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405b10;
/* rgb */ color: rgb(64, 91, 16);
/* oklch */ color: oklch(43.4% 0.104 128.0);

Tailwind

colors: {
  custom: {
    50: '#788955',
    500: '#405b10',
    950: '#000000',
  },
}

SCSS

$custom: #405b10;
$custom-light: #788955;
$custom-dark: #000000;

JSON

{
  "hex": "#405b10",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 16
  },
  "hsl": {
    "h": 81.6,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.43404,
    "c": 0.10389,
    "h": 128
  },
  "luminance": 0.0861
}

Semantic roles & 50–950 ramp

primary

#405B10

secondary

#563394

accent

#3BED7B

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #405B10

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

Preview Lab → · Contrast checker → · Palette generator →