#478B22#478B22

#478B22 is a mid, vivid yellow-green. Relative luminance 0.199; OKLCH L 57.1% C 0.153 H 136.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#478B22
RGB	rgb(71, 139, 34)
HSL	hsl(99, 61%, 34%)
HSV	hsv(99, 76%, 55%)
CMYK	cmyk(48.9%, 0%, 75.5%, 45.5%)
CIE-LAB	lab(51.75, -40.35, 46.55)
CIE-LCH	lch(51.75, 61.60, 130.92°)
OKLab	oklab(57.06% -0.112 0.1047)
OKLCH	oklch(57.06% 0.153 136.9)
XYZ	xyz(12.1195, 19.9195, 4.7193)
Luminance	0.1992 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478B22 #66228B

analogous

#7C8B22 #478B22 #228B32

triadic

#478B22 #22478B #8B2247

tetradic

#478B22 #227C8B #66228B #8B3222

square

#478B22 #227C8B #66228B #8B3222

split-complementary

#478B22 #32228B #8B227C

monochromatic

#15290A #2E5A16 #478B22 #60BC2E #80D553

Accessibility & contrast

On white

4.21

#478B22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#478B22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478B22

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478B22	#FFFFFF	#000000	##000000
##478B22	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0D

Deuteranopia (green-blind)

#87792D

Tritanopia (blue-blind)

#438677

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #478b22;
/* rgb */ color: rgb(71, 139, 34);
/* oklch */ color: oklch(57.1% 0.153 136.9);

Tailwind

colors: {
  custom: {
    50: '#81ad65',
    500: '#478b22',
    950: '#000000',
  },
}

SCSS

$custom: #478b22;
$custom-light: #81ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#478b22",
  "rgb": {
    "r": 71,
    "g": 139,
    "b": 34
  },
  "hsl": {
    "h": 98.857,
    "s": 60.694,
    "l": 33.922
  },
  "oklch": {
    "l": 0.57057,
    "c": 0.15328,
    "h": 136.9
  },
  "luminance": 0.1992
}

Semantic roles & 50–950 ramp

primary

#478B22

secondary

#9450B8

accent

#44E4AB

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #478B22

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

Preview Lab → · Contrast checker → · Palette generator →