#40891B#40891B

#40891B is a mid, vivid yellow-green. Relative luminance 0.191; OKLCH L 56.2% C 0.158 H 137.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#40891B
RGB	rgb(64, 137, 27)
HSL	hsl(100, 67%, 32%)
HSV	hsv(100, 80%, 54%)
CMYK	cmyk(53.3%, 0%, 80.3%, 46.3%)
CIE-LAB	lab(50.76, -42.20, 47.94)
CIE-LCH	lch(50.76, 63.87, 131.35°)
OKLab	oklab(56.15% -0.1169 0.1066)
OKLCH	oklch(56.15% 0.158 137.6)
XYZ	xyz(11.2575, 19.0596, 4.1224)
Luminance	0.1906 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40891B #641B89

analogous

#77891B #40891B #1B892D

triadic

#40891B #1B4089 #891B40

tetradic

#40891B #1B7789 #641B89 #892D1B

square

#40891B #1B7789 #641B89 #892D1B

split-complementary

#40891B #2D1B89 #891B77

monochromatic

#102307 #285611 #40891B #58BC25 #77DA44

Accessibility & contrast

On white

4.36

#40891B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#40891B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40891B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40891B	#FFFFFF	#000000	##000000
##40891B	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#847728

Tritanopia (blue-blind)

#3B8475

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #40891b;
/* rgb */ color: rgb(64, 137, 27);
/* oklch */ color: oklch(56.2% 0.158 137.6);

Tailwind

colors: {
  custom: {
    50: '#7dac61',
    500: '#40891b',
    950: '#000000',
  },
}

SCSS

$custom: #40891b;
$custom-light: #7dac61;
$custom-dark: #000000;

JSON

{
  "hex": "#40891b",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 27
  },
  "hsl": {
    "h": 99.818,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56151,
    "c": 0.15824,
    "h": 137.6
  },
  "luminance": 0.1906
}

Semantic roles & 50–950 ramp

primary

#40891B

secondary

#9344BC

accent

#3EEAB0

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #40891B

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

Preview Lab → · Contrast checker → · Palette generator →