#427D21#427D21

#427D21 is a mid, vivid yellow-green. Relative luminance 0.159; OKLCH L 53.0% C 0.138 H 136.6°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#427D21
RGB	rgb(66, 125, 33)
HSL	hsl(98, 58%, 31%)
HSV	hsv(98, 74%, 49%)
CMYK	cmyk(47.2%, 0%, 73.6%, 51%)
CIE-LAB	lab(46.89, -36.18, 41.97)
CIE-LCH	lch(46.89, 55.41, 130.76°)
OKLab	oklab(53.01% -0.1004 0.095)
OKLCH	oklch(53.01% 0.138 136.6)
XYZ	xyz(9.8546, 15.9347, 3.9950)
Luminance	0.1593 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427D21 #5C217D

analogous

#707D21 #427D21 #217D2E

triadic

#427D21 #21427D #7D2142

tetradic

#427D21 #21707D #5C217D #7D2E21

square

#427D21 #21707D #5C217D #7D2E21

split-complementary

#427D21 #2E217D #7D2170

monochromatic

#0F1C07 #284D14 #427D21 #5CAD2E #79CF49

Accessibility & contrast

On white

5.02

#427D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#427D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427D21

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427D21	#FFFFFF	#000000	##FFFFFF
##427D21	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#817212

Deuteranopia (green-blind)

#7A6D2A

Tritanopia (blue-blind)

#3F786B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #427d21;
/* rgb */ color: rgb(66, 125, 33);
/* oklch */ color: oklch(53.0% 0.138 136.6);

Tailwind

colors: {
  custom: {
    50: '#7ca362',
    500: '#427d21',
    950: '#000000',
  },
}

SCSS

$custom: #427d21;
$custom-light: #7ca362;
$custom-dark: #000000;

JSON

{
  "hex": "#427d21",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 33
  },
  "hsl": {
    "h": 98.478,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53005,
    "c": 0.13826,
    "h": 136.6
  },
  "luminance": 0.15935
}

Semantic roles & 50–950 ramp

primary

#427D21

secondary

#8B4AB0

accent

#46E1AA

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A0F05

muted

#7C7F7A

Preview Lab

Preview with #427D21

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

Preview Lab → · Contrast checker → · Palette generator →