#427A1B#427A1B

#427A1B is a mid, vivid yellow-green. Relative luminance 0.152; OKLCH L 52.1% C 0.138 H 135.5°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#427A1B
RGB	rgb(66, 122, 27)
HSL	hsl(95, 64%, 29%)
HSV	hsv(95, 78%, 48%)
CMYK	cmyk(45.9%, 0%, 77.9%, 52.2%)
CIE-LAB	lab(45.85, -35.33, 43.24)
CIE-LCH	lch(45.85, 55.84, 129.25°)
OKLab	oklab(52.14% -0.0986 0.0968)
OKLCH	oklch(52.14% 0.138 135.5)
XYZ	xyz(9.4039, 15.1559, 3.4666)
Luminance	0.1516 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427A1B #531B7A

analogous

#727A1B #427A1B #1B7A23

triadic

#427A1B #1B427A #7A1B42

tetradic

#427A1B #1B727A #531B7A #7A231B

square

#427A1B #1B727A #531B7A #7A231B

split-complementary

#427A1B #231B7A #7A1B72

monochromatic

#0E1906 #274810 #427A1B #5DAC26 #7AD43C

Accessibility & contrast

On white

5.21

#427A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#427A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427A1B

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427A1B	#FFFFFF	#000000	##FFFFFF
##427A1B	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F6F06

Deuteranopia (green-blind)

#776B25

Tritanopia (blue-blind)

#407568

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #427a1b;
/* rgb */ color: rgb(66, 122, 27);
/* oklch */ color: oklch(52.1% 0.138 135.5);

Tailwind

colors: {
  custom: {
    50: '#7ca15f',
    500: '#427a1b',
    950: '#000000',
  },
}

SCSS

$custom: #427a1b;
$custom-light: #7ca15f;
$custom-dark: #000000;

JSON

{
  "hex": "#427a1b",
  "rgb": {
    "r": 66,
    "g": 122,
    "b": 27
  },
  "hsl": {
    "h": 95.368,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.52137,
    "c": 0.13813,
    "h": 135.5
  },
  "luminance": 0.15156
}

Semantic roles & 50–950 ramp

primary

#427A1B

secondary

#8243AE

accent

#41E7A3

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0F05

muted

#7C7E79

Preview Lab

Preview with #427A1B

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

Preview Lab → · Contrast checker → · Palette generator →