#43901B#43901B

#43901B is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.2% C 0.165 H 137.6°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#43901B
RGB	rgb(67, 144, 27)
HSL	hsl(99, 68%, 34%)
HSV	hsv(99, 81%, 56%)
CMYK	cmyk(53.5%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.19, -44.05, 50.27)
CIE-LCH	lch(53.19, 66.84, 131.23°)
OKLab	oklab(58.19% -0.1221 0.1114)
OKLCH	oklch(58.19% 0.165 137.6)
XYZ	xyz(12.4854, 21.2180, 4.4743)
Luminance	0.2122 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43901B #681B90

analogous

#7D901B #43901B #1B902D

triadic

#43901B #1B4390 #901B43

tetradic

#43901B #1B7D90 #681B90 #902D1B

square

#43901B #1B7D90 #681B90 #902D1B

split-complementary

#43901B #2D1B90 #901B7D

monochromatic

#132908 #2B5C11 #43901B #5BC425 #7BDD49

Accessibility & contrast

On white

4.00

#43901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#43901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #43901B

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43901B	#FFFFFF	#000000	##000000
##43901B	1.00	4.00	5.24	5.24
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8B7D29

Tritanopia (blue-blind)

#3D8B7B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #43901b;
/* rgb */ color: rgb(67, 144, 27);
/* oklch */ color: oklch(58.2% 0.165 137.6);

Tailwind

colors: {
  custom: {
    50: '#80b162',
    500: '#43901b',
    950: '#000000',
  },
}

SCSS

$custom: #43901b;
$custom-light: #80b162;
$custom-dark: #000000;

JSON

{
  "hex": "#43901b",
  "rgb": {
    "r": 67,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 99.487,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.58186,
    "c": 0.16532,
    "h": 137.6
  },
  "luminance": 0.21219
}

Semantic roles & 50–950 ramp

primary

#43901B

secondary

#9648BF

accent

#3DEBB0

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #43901B

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

Preview Lab → · Contrast checker → · Palette generator →