#427F10#427F10

#427F10 is a mid, vivid yellow-green. Relative luminance 0.164; OKLCH L 53.4% C 0.150 H 135.3°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#427F10
RGB	rgb(66, 127, 16)
HSL	hsl(93, 78%, 28%)
HSV	hsv(93, 87%, 50%)
CMYK	cmyk(48%, 0%, 87.4%, 50.2%)
CIE-LAB	lab(47.46, -38.05, 48.17)
CIE-LCH	lch(47.46, 61.38, 128.31°)
OKLab	oklab(53.45% -0.1066 0.1054)
OKLCH	oklch(53.45% 0.15 135.3)
XYZ	xyz(9.9294, 16.3738, 3.1274)
Luminance	0.1637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427F10 #4D107F

analogous

#797F10 #427F10 #107F16

triadic

#427F10 #10427F #7F1042

tetradic

#427F10 #10797F #4D107F #7F1610

square

#427F10 #10797F #4D107F #7F1610

split-complementary

#427F10 #16107F #7F1079

monochromatic

#0E1B03 #264909 #427F10 #5EB517 #7BE426

Accessibility & contrast

On white

4.91

#427F10 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#427F10 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #427F10

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427F10	#FFFFFF	#000000	##FFFFFF
##427F10	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7C6F1F

Tritanopia (blue-blind)

#407A6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #427f10;
/* rgb */ color: rgb(66, 127, 16);
/* oklch */ color: oklch(53.4% 0.150 135.3);

Tailwind

colors: {
  custom: {
    50: '#7da55b',
    500: '#427f10',
    950: '#000000',
  },
}

SCSS

$custom: #427f10;
$custom-light: #7da55b;
$custom-dark: #000000;

JSON

{
  "hex": "#427f10",
  "rgb": {
    "r": 66,
    "g": 127,
    "b": 16
  },
  "hsl": {
    "h": 92.973,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.53445,
    "c": 0.14988,
    "h": 135.3
  },
  "luminance": 0.16374
}

Semantic roles & 50–950 ramp

primary

#427F10

secondary

#7C36B5

accent

#34F49D

background

#F8FAF5

surface

#EFF4E9

border

#CACEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #427F10

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

Preview Lab → · Contrast checker → · Palette generator →