#40871B#40871B

#40871B is a mid, vivid yellow-green. Relative luminance 0.185; OKLCH L 55.6% C 0.156 H 137.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#40871B
RGB	rgb(64, 135, 27)
HSL	hsl(99, 67%, 32%)
HSV	hsv(99, 80%, 53%)
CMYK	cmyk(52.6%, 0%, 80%, 47.1%)
CIE-LAB	lab(50.09, -41.40, 47.31)
CIE-LCH	lch(50.09, 62.87, 131.19°)
OKLab	oklab(55.6% -0.1148 0.1053)
OKLCH	oklch(55.6% 0.156 137.5)
XYZ	xyz(10.9758, 18.4963, 4.0285)
Luminance	0.1850 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40871B #621B87

analogous

#76871B #40871B #1B872C

triadic

#40871B #1B4087 #871B40

tetradic

#40871B #1B7687 #621B87 #872C1B

square

#40871B #1B7687 #621B87 #872C1B

split-complementary

#40871B #2C1B87 #871B76

monochromatic

#102107 #285411 #40871B #58BA25 #77D943

Accessibility & contrast

On white

4.47

#40871B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#40871B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40871B

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40871B	#FFFFFF	#000000	##000000
##40871B	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7B00

Deuteranopia (green-blind)

#827527

Tritanopia (blue-blind)

#3B8273

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #40871b;
/* rgb */ color: rgb(64, 135, 27);
/* oklch */ color: oklch(55.6% 0.156 137.5);

Tailwind

colors: {
  custom: {
    50: '#7dab61',
    500: '#40871b',
    950: '#000000',
  },
}

SCSS

$custom: #40871b;
$custom-light: #7dab61;
$custom-dark: #000000;

JSON

{
  "hex": "#40871b",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 27
  },
  "hsl": {
    "h": 99.444,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55603,
    "c": 0.15576,
    "h": 137.5
  },
  "luminance": 0.18497
}

Semantic roles & 50–950 ramp

primary

#40871B

secondary

#9244BA

accent

#3EEAAF

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #40871B

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

Preview Lab → · Contrast checker → · Palette generator →