#40821C#40821C

#40821C is a mid, vivid yellow-green. Relative luminance 0.171; OKLCH L 54.2% C 0.149 H 137.1°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#40821C
RGB	rgb(64, 130, 28)
HSL	hsl(99, 65%, 31%)
HSV	hsv(99, 78%, 51%)
CMYK	cmyk(50.8%, 0%, 78.5%, 49%)
CIE-LAB	lab(48.43, -39.30, 45.37)
CIE-LCH	lch(48.43, 60.03, 130.90°)
OKLab	oklab(54.24% -0.1091 0.1014)
OKLCH	oklch(54.24% 0.149 137.1)
XYZ	xyz(10.3063, 17.1384, 3.8633)
Luminance	0.1714 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40821C #5E1C82

analogous

#73821C #40821C #1C822B

triadic

#40821C #1C4082 #821C40

tetradic

#40821C #1C7382 #5E1C82 #822B1C

square

#40821C #1C7382 #5E1C82 #822B1C

split-complementary

#40821C #2B1C82 #821C73

monochromatic

#0E1D06 #275011 #40821C #59B427 #76D642

Accessibility & contrast

On white

4.74

#40821C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#40821C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40821C

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40821C	#FFFFFF	#000000	##FFFFFF
##40821C	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877604

Deuteranopia (green-blind)

#7E7127

Tritanopia (blue-blind)

#3C7D6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #40821c;
/* rgb */ color: rgb(64, 130, 28);
/* oklch */ color: oklch(54.2% 0.149 137.1);

Tailwind

colors: {
  custom: {
    50: '#7ca760',
    500: '#40821c',
    950: '#000000',
  },
}

SCSS

$custom: #40821c;
$custom-light: #7ca760;
$custom-dark: #000000;

JSON

{
  "hex": "#40821c",
  "rgb": {
    "r": 64,
    "g": 130,
    "b": 28
  },
  "hsl": {
    "h": 98.824,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.5424,
    "c": 0.14894,
    "h": 137.1
  },
  "luminance": 0.17139
}

Semantic roles & 50–950 ramp

primary

#40821C

secondary

#8E44B5

accent

#40E8AD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #40821C

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

Preview Lab → · Contrast checker → · Palette generator →