#42901A#42901A

#42901A is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.1% C 0.166 H 137.7°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#42901A
RGB	rgb(66, 144, 26)
HSL	hsl(100, 69%, 33%)
HSV	hsv(100, 82%, 56%)
CMYK	cmyk(54.2%, 0%, 81.9%, 43.5%)
CIE-LAB	lab(53.14, -44.40, 50.52)
CIE-LCH	lch(53.14, 67.26, 131.31°)
OKLab	oklab(58.14% -0.123 0.1118)
OKLCH	oklch(58.14% 0.166 137.7)
XYZ	xyz(12.4061, 21.1784, 4.4112)
Luminance	0.2118 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42901A #681A90

analogous

#7D901A #42901A #1A902D

triadic

#42901A #1A4290 #901A42

tetradic

#42901A #1A7D90 #681A90 #902D1A

square

#42901A #1A7D90 #681A90 #902D1A

split-complementary

#42901A #2D1A90 #901A7D

monochromatic

#122807 #2A5C11 #42901A #5AC423 #7ADE47

Accessibility & contrast

On white

4.01

#42901A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#42901A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42901A

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42901A	#FFFFFF	#000000	##000000
##42901A	1.00	4.01	5.24	5.24
#FFFFFF	4.01	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)

#8B7C28

Tritanopia (blue-blind)

#3C8B7A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #42901a;
/* rgb */ color: rgb(66, 144, 26);
/* oklch */ color: oklch(58.1% 0.166 137.7);

Tailwind

colors: {
  custom: {
    50: '#7fb162',
    500: '#42901a',
    950: '#000000',
  },
}

SCSS

$custom: #42901a;
$custom-light: #7fb162;
$custom-dark: #000000;

JSON

{
  "hex": "#42901a",
  "rgb": {
    "r": 66,
    "g": 144,
    "b": 26
  },
  "hsl": {
    "h": 99.661,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.58138,
    "c": 0.16628,
    "h": 137.7
  },
  "luminance": 0.21179
}

Semantic roles & 50–950 ramp

primary

#42901A

secondary

#9647BF

accent

#3CECB0

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #42901A

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

Preview Lab → · Contrast checker → · Palette generator →