#178E51#178E51
#178E51 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.0% C 0.136 H 154.2°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #178E51 |
|---|---|
| RGB | rgb(23, 142, 81) |
| HSL | hsl(149, 72%, 32%) |
| HSV | hsv(149, 84%, 56%) |
| CMYK | cmyk(83.8%, 0%, 43%, 44.3%) |
| CIE-LAB | lab(51.97, -45.62, 23.88) |
| CIE-LCH | lch(51.97, 51.49, 152.37°) |
| OKLab | oklab(57.05% -0.1227 0.0592) |
| OKLCH | oklch(57.05% 0.136 154.2) |
| XYZ | xyz(11.5104, 20.1208, 11.0600) |
| Luminance | 0.2012 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Sea Green
#2E8B57
ΔE00 2.29
Jungle Green
#048243
ΔE00 4.57
Viridian
#1E9167
ΔE00 4.96
Dark Sea Green
#11875D
ΔE00 4.98
Light Forest Green
#4F9153
ΔE00 5.43
Kelley Green
#009337
ΔE00 5.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#178E51 #8E1754
analogous
#188E17 #178E51 #178E8D
triadic
#178E51 #51178E #8E5117
tetradic
#178E51 #17188E #8E1754 #8E8D17
square
#178E51 #17188E #8E1754 #8E8D17
split-complementary
#178E51 #8D178E #8E1718
monochromatic
#062515 #0E5933 #178E51 #20C36F #3FE08E
Accessibility & contrast
On white
4.18
#178E51 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.02
#178E51 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #178E51
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##178E51 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##178E51 | 1.00 | 4.18 | 5.02 | 5.02 |
| #FFFFFF | 4.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.02 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.02 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8E824D
Deuteranopia (green-blind)
#807855
Tritanopia (blue-blind)
#008C7F
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #178e51; /* rgb */ color: rgb(23, 142, 81); /* oklch */ color: oklch(57.0% 0.136 154.2);
Tailwind
colors: {
custom: {
50: '#6bb082',
500: '#178e51',
950: '#000000',
},
}SCSS
$custom: #178e51; $custom-light: #6bb082; $custom-dark: #000000;
JSON
{
"hex": "#178e51",
"rgb": {
"r": 23,
"g": 142,
"b": 81
},
"hsl": {
"h": 149.244,
"s": 72.121,
"l": 32.353
},
"oklch": {
"l": 0.5705,
"c": 0.13621,
"h": 154.2
},
"luminance": 0.20122
}Semantic roles & 50–950 ramp
primary
#178E51
secondary
#C04082
accent
#3996EF
background
#F7FAF8
surface
#EDF5EF
border
#C8CFCA
text
#08110A
muted
#7B807C