#40801C#40801C

#40801C is a mid, vivid yellow-green. Relative luminance 0.166; OKLCH L 53.7% C 0.146 H 136.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#40801C
RGB	rgb(64, 128, 28)
HSL	hsl(98, 64%, 31%)
HSV	hsv(98, 78%, 50%)
CMYK	cmyk(50%, 0%, 78.1%, 49.8%)
CIE-LAB	lab(47.77, -38.48, 44.72)
CIE-LCH	lch(47.77, 59.00, 130.71°)
OKLab	oklab(53.69% -0.1069 0.1)
OKLCH	oklch(53.69% 0.146 136.9)
XYZ	xyz(10.0428, 16.6115, 3.7755)
Luminance	0.1661 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40801C #5C1C80

analogous

#72801C #40801C #1C802A

triadic

#40801C #1C4080 #801C40

tetradic

#40801C #1C7280 #5C1C80 #802A1C

square

#40801C #1C7280 #5C1C80 #802A1C

split-complementary

#40801C #2A1C80 #801C72

monochromatic

#0E1C06 #274E11 #40801C #59B227 #76D541

Accessibility & contrast

On white

4.86

#40801C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#40801C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #40801C

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40801C	#FFFFFF	#000000	##FFFFFF
##40801C	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847505

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#3C7B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #40801c;
/* rgb */ color: rgb(64, 128, 28);
/* oklch */ color: oklch(53.7% 0.146 136.9);

Tailwind

colors: {
  custom: {
    50: '#7ca560',
    500: '#40801c',
    950: '#000000',
  },
}

SCSS

$custom: #40801c;
$custom-light: #7ca560;
$custom-dark: #000000;

JSON

{
  "hex": "#40801c",
  "rgb": {
    "r": 64,
    "g": 128,
    "b": 28
  },
  "hsl": {
    "h": 98.4,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53691,
    "c": 0.14638,
    "h": 136.9
  },
  "luminance": 0.16612
}

Semantic roles & 50–950 ramp

primary

#40801C

secondary

#8B44B3

accent

#41E7AB

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #40801C

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

Preview Lab → · Contrast checker → · Palette generator →