#42991B#42991B

#42991B is a mid, vivid green. Relative luminance 0.240; OKLCH L 60.6% C 0.177 H 138.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#42991B
RGB	rgb(66, 153, 27)
HSL	hsl(101, 70%, 35%)
HSV	hsv(101, 82%, 60%)
CMYK	cmyk(56.9%, 0%, 82.4%, 40%)
CIE-LAB	lab(56.11, -47.79, 52.97)
CIE-LCH	lch(56.11, 71.34, 132.05°)
OKLab	oklab(60.58% -0.1321 0.1171)
OKLCH	oklch(60.58% 0.177 138.4)
XYZ	xyz(13.8353, 24.0187, 4.9437)
Luminance	0.2402 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42991B #721B99

analogous

#81991B #42991B #1B9933

triadic

#42991B #1B4299 #991B42

tetradic

#42991B #1B8199 #721B99 #99331B

square

#42991B #1B8199 #721B99 #99331B

split-complementary

#42991B #331B99 #991B81

monochromatic

#153109 #2C6512 #42991B #58CD24 #7CE04F

Accessibility & contrast

On white

3.62

#42991B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#42991B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42991B

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42991B	#FFFFFF	#000000	##000000
##42991B	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E8B00

Deuteranopia (green-blind)

#93842B

Tritanopia (blue-blind)

#3A9382

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #42991b;
/* rgb */ color: rgb(66, 153, 27);
/* oklch */ color: oklch(60.6% 0.177 138.4);

Tailwind

colors: {
  custom: {
    50: '#81b863',
    500: '#42991b',
    950: '#000000',
  },
}

SCSS

$custom: #42991b;
$custom-light: #81b863;
$custom-dark: #000000;

JSON

{
  "hex": "#42991b",
  "rgb": {
    "r": 66,
    "g": 153,
    "b": 27
  },
  "hsl": {
    "h": 101.429,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.60584,
    "c": 0.17652,
    "h": 138.4
  },
  "luminance": 0.2402
}

Semantic roles & 50–950 ramp

primary

#42991B

secondary

#9E4EC2

accent

#3BEDB6

background

#F8FBF6

surface

#EFF6EB

border

#CAD0C6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #42991B

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

Preview Lab → · Contrast checker → · Palette generator →