#478E21#478E21

#478E21 is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 57.9% C 0.158 H 137.1°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#478E21
RGB	rgb(71, 142, 33)
HSL	hsl(99, 62%, 34%)
HSV	hsv(99, 77%, 56%)
CMYK	cmyk(50%, 0%, 76.8%, 44.3%)
CIE-LAB	lab(52.72, -41.64, 47.88)
CIE-LCH	lch(52.72, 63.46, 131.02°)
OKLab	oklab(57.86% -0.1155 0.1073)
OKLCH	oklch(57.86% 0.158 137.1)
XYZ	xyz(12.5457, 20.7945, 4.7912)
Luminance	0.2079 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#478E21 #68218E

analogous

#7E8E21 #478E21 #218E32

triadic

#478E21 #21478E #8E2147

tetradic

#478E21 #217E8E #68218E #8E3221

square

#478E21 #217E8E #68218E #8E3221

split-complementary

#478E21 #32218E #8E217E

monochromatic

#152B0A #2E5C15 #478E21 #60C02D #81D752

Accessibility & contrast

On white

4.07

#478E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#478E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #478E21

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##478E21	#FFFFFF	#000000	##000000
##478E21	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938209

Deuteranopia (green-blind)

#8A7C2C

Tritanopia (blue-blind)

#438979

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #478e21;
/* rgb */ color: rgb(71, 142, 33);
/* oklch */ color: oklch(57.9% 0.158 137.1);

Tailwind

colors: {
  custom: {
    50: '#81b065',
    500: '#478e21',
    950: '#000000',
  },
}

SCSS

$custom: #478e21;
$custom-light: #81b065;
$custom-dark: #000000;

JSON

{
  "hex": "#478e21",
  "rgb": {
    "r": 71,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 99.083,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.57859,
    "c": 0.15768,
    "h": 137.1
  },
  "luminance": 0.20795
}

Semantic roles & 50–950 ramp

primary

#478E21

secondary

#9550BA

accent

#42E5AD

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1006

muted

#7C7F7A

Preview Lab

Preview with #478E21

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

Preview Lab → · Contrast checker → · Palette generator →