#178E5A#178E5A
#178E5A is a mid, vivid teal. Relative luminance 0.203; OKLCH L 57.2% C 0.128 H 157.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #178E5A |
|---|---|
| RGB | rgb(23, 142, 90) |
| HSL | hsl(154, 72%, 32%) |
| HSV | hsv(154, 84%, 56%) |
| CMYK | cmyk(83.8%, 0%, 36.6%, 44.3%) |
| CIE-LAB | lab(52.14, -43.76, 19.10) |
| CIE-LCH | lch(52.14, 47.75, 156.42°) |
| OKLab | oklab(57.24% -0.1183 0.048) |
| OKLCH | oklch(57.24% 0.128 157.9) |
| XYZ | xyz(11.8706, 20.2649, 12.9568) |
| Luminance | 0.2027 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Sea Green
#2E8B57
ΔE00 1.81
Viridian
#1E9167
ΔE00 2.96
Dark Sea Green
#11875D
ΔE00 3.35
Jungle Green
#048243
ΔE00 5.48
Ocean Green
#3D9973
ΔE00 6.09
Light Forest Green
#4F9153
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#178E5A #8E174B
analogous
#178E1F #178E5A #17868E
triadic
#178E5A #5A178E #8E5A17
tetradic
#178E5A #1F178E #8E174B #868E17
square
#178E5A #1F178E #8E174B #868E17
split-complementary
#178E5A #8E1786 #8E1F17
monochromatic
#062517 #0E5939 #178E5A #20C37B #3FE09A
Accessibility & contrast
On white
4.16
#178E5A on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.05
#178E5A on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #178E5A
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##178E5A | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##178E5A | 1.00 | 4.16 | 5.05 | 5.05 |
| #FFFFFF | 4.16 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D8257
Deuteranopia (green-blind)
#7F785D
Tritanopia (blue-blind)
#008D81
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #178e5a; /* rgb */ color: rgb(23, 142, 90); /* oklch */ color: oklch(57.2% 0.128 157.9);
Tailwind
colors: {
custom: {
50: '#6bb089',
500: '#178e5a',
950: '#000000',
},
}SCSS
$custom: #178e5a; $custom-light: #6bb089; $custom-dark: #000000;
JSON
{
"hex": "#178e5a",
"rgb": {
"r": 23,
"g": 142,
"b": 90
},
"hsl": {
"h": 153.782,
"s": 72.121,
"l": 32.353
},
"oklch": {
"l": 0.57237,
"c": 0.12765,
"h": 157.9
},
"luminance": 0.20266
}Semantic roles & 50–950 ramp
primary
#178E5A
secondary
#C04078
accent
#3988EF
background
#F7FAF8
surface
#EDF5F0
border
#C8CFCB
text
#08110B
muted
#7B807C