#427E1B#427E1B

#427E1B is a mid, vivid yellow-green. Relative luminance 0.162; OKLCH L 53.2% C 0.143 H 136.1°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#427E1B
RGB	rgb(66, 126, 27)
HSL	hsl(96, 65%, 30%)
HSV	hsv(96, 79%, 49%)
CMYK	cmyk(47.6%, 0%, 78.6%, 50.6%)
CIE-LAB	lab(47.18, -37.04, 44.54)
CIE-LCH	lch(47.18, 57.93, 129.75°)
OKLab	oklab(53.23% -0.1032 0.0995)
OKLCH	oklch(53.23% 0.143 136.1)
XYZ	xyz(9.9052, 16.1585, 3.6337)
Luminance	0.1616 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427E1B #571B7E

analogous

#737E1B #427E1B #1B7E26

triadic

#427E1B #1B427E #7E1B42

tetradic

#427E1B #1B737E #571B7E #7E261B

square

#427E1B #1B737E #571B7E #7E261B

split-complementary

#427E1B #261B7E #7E1B73

monochromatic

#0D1905 #284C10 #427E1B #5CB026 #7AD63E

Accessibility & contrast

On white

4.96

#427E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#427E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427E1B

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427E1B	#FFFFFF	#000000	##FFFFFF
##427E1B	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#837304

Deuteranopia (green-blind)

#7B6E25

Tritanopia (blue-blind)

#3F796B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #427e1b;
/* rgb */ color: rgb(66, 126, 27);
/* oklch */ color: oklch(53.2% 0.143 136.1);

Tailwind

colors: {
  custom: {
    50: '#7ca45f',
    500: '#427e1b',
    950: '#000000',
  },
}

SCSS

$custom: #427e1b;
$custom-light: #7ca45f;
$custom-dark: #000000;

JSON

{
  "hex": "#427e1b",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 27
  },
  "hsl": {
    "h": 96.364,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.53233,
    "c": 0.14333,
    "h": 136.1
  },
  "luminance": 0.16159
}

Semantic roles & 50–950 ramp

primary

#427E1B

secondary

#8643B2

accent

#40E8A6

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #427E1B

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

Preview Lab → · Contrast checker → · Palette generator →