#478D21#478D21

#478D21 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.6% C 0.156 H 137.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#478D21
RGB	rgb(71, 141, 33)
HSL	hsl(99, 62%, 34%)
HSV	hsv(99, 77%, 55%)
CMYK	cmyk(49.6%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(52.40, -41.24, 47.56)
CIE-LCH	lch(52.40, 62.95, 130.93°)
OKLab	oklab(57.59% -0.1144 0.1066)
OKLCH	oklch(57.59% 0.156 137)
XYZ	xyz(12.3975, 20.4983, 4.7418)
Luminance	0.2050 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478D21 #67218D

analogous

#7D8D21 #478D21 #218D31

triadic

#478D21 #21478D #8D2147

tetradic

#478D21 #217D8D #67218D #8D3121

square

#478D21 #217D8D #67218D #8D3121

split-complementary

#478D21 #31218D #8D217D

monochromatic

#152A0A #2E5B15 #478D21 #60BF2D #81D652

Accessibility & contrast

On white

4.12

#478D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#478D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478D21

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478D21	#FFFFFF	#000000	##000000
##478D21	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810A

Deuteranopia (green-blind)

#897B2C

Tritanopia (blue-blind)

#438878

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #478d21;
/* rgb */ color: rgb(71, 141, 33);
/* oklch */ color: oklch(57.6% 0.156 137.0);

Tailwind

colors: {
  custom: {
    50: '#81af64',
    500: '#478d21',
    950: '#000000',
  },
}

SCSS

$custom: #478d21;
$custom-light: #81af64;
$custom-dark: #000000;

JSON

{
  "hex": "#478d21",
  "rgb": {
    "r": 71,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 98.889,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.5759,
    "c": 0.15642,
    "h": 137
  },
  "luminance": 0.20499
}

Semantic roles & 50–950 ramp

primary

#478D21

secondary

#9550BA

accent

#43E5AC

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #478D21

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

Preview Lab → · Contrast checker → · Palette generator →