#42A427#42A427

#42A427 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.6% C 0.183 H 139.9°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#42A427
RGB	rgb(66, 164, 39)
HSL	hsl(107, 62%, 40%)
HSV	hsv(107, 76%, 64%)
CMYK	cmyk(59.8%, 0%, 76.2%, 35.7%)
CIE-LAB	lab(59.76, -51.11, 52.62)
CIE-LCH	lch(59.76, 73.35, 134.17°)
OKLab	oklab(63.62% -0.1403 0.1181)
OKLCH	oklch(63.62% 0.183 139.9)
XYZ	xyz(15.8877, 27.8542, 6.4582)
Luminance	0.2786 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A427 #8927A4

analogous

#81A427 #42A427 #27A44B

triadic

#42A427 #2742A4 #A42742

tetradic

#42A427 #2781A4 #8927A4 #A44B27

square

#42A427 #2781A4 #8927A4 #A44B27

split-complementary

#42A427 #4B27A4 #A42781

monochromatic

#1A410F #2E731B #42A427 #59D038 #82DC6A

Accessibility & contrast

On white

3.20

#42A427 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#42A427 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A427

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A427	#FFFFFF	#000000	##000000
##42A427	1.00	3.20	6.57	6.57
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9950B

Deuteranopia (green-blind)

#9D8D34

Tritanopia (blue-blind)

#369E8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #42a427;
/* rgb */ color: rgb(66, 164, 39);
/* oklch */ color: oklch(63.6% 0.183 139.9);

Tailwind

colors: {
  custom: {
    50: '#82c06a',
    500: '#42a427',
    950: '#000000',
  },
}

SCSS

$custom: #42a427;
$custom-light: #82c06a;
$custom-dark: #000000;

JSON

{
  "hex": "#42a427",
  "rgb": {
    "r": 66,
    "g": 164,
    "b": 39
  },
  "hsl": {
    "h": 107.04,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.63619,
    "c": 0.18343,
    "h": 139.9
  },
  "luminance": 0.27856
}

Semantic roles & 50–950 ramp

primary

#42A427

secondary

#AE65C2

accent

#43E5C2

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #42A427

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

Preview Lab → · Contrast checker → · Palette generator →