#178A17#178A17
#178A17 is a mid, vivid green. Relative luminance 0.184; OKLCH L 55.2% C 0.176 H 142.7°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #178A17 |
|---|---|
| RGB | rgb(23, 138, 23) |
| HSL | hsl(120, 71%, 32%) |
| HSV | hsv(120, 83%, 54%) |
| CMYK | cmyk(83.3%, 0%, 83.3%, 45.9%) |
| CIE-LAB | lab(50.00, -51.67, 48.09) |
| CIE-LCH | lch(50.00, 70.59, 137.05°) |
| OKLab | oklab(55.21% -0.1402 0.1068) |
| OKLCH | oklch(55.21% 0.176 142.7) |
| XYZ | xyz(9.5959, 18.4198, 3.8601) |
| Luminance | 0.1842 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Forestgreen (CSS)
#228B22
ΔE00 1.12
Emerald Green
#028F1E
ΔE00 1.89
True Green
#089404
ΔE00 3.75
Green
#008000
ΔE00 3.78
Irish Green
#019529
ΔE00 4.08
Tree Green
#2A7E19
ΔE00 4.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#178A17 #8A178A
analogous
#518A17 #178A17 #178A51
triadic
#178A17 #17178A #8A1717
tetradic
#178A17 #17518A #8A178A #8A5117
square
#178A17 #17518A #8A178A #8A5117
split-complementary
#178A17 #51178A #8A1751
monochromatic
#062106 #0E560E #178A17 #20BE20 #3DDF3D
Accessibility & contrast
On white
4.48
#178A17 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#178A17 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #178A17
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##178A17 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##178A17 | 1.00 | 4.48 | 4.68 | 4.68 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D7C00
Deuteranopia (green-blind)
#817426
Tritanopia (blue-blind)
#008675
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #178a17; /* rgb */ color: rgb(23, 138, 23); /* oklch */ color: oklch(55.2% 0.176 142.7);
Tailwind
colors: {
custom: {
50: '#6cad5f',
500: '#178a17',
950: '#000000',
},
}SCSS
$custom: #178a17; $custom-light: #6cad5f; $custom-dark: #000000;
JSON
{
"hex": "#178a17",
"rgb": {
"r": 23,
"g": 138,
"b": 23
},
"hsl": {
"h": 120,
"s": 71.429,
"l": 31.569
},
"oklch": {
"l": 0.55214,
"c": 0.17625,
"h": 142.7
},
"luminance": 0.18421
}Semantic roles & 50–950 ramp
primary
#178A17
secondary
#BE3FBE
accent
#3AEEEE
background
#F7FAF5
surface
#EDF4EA
border
#C8CEC6
text
#081005
muted
#7B7F79