#155A55#155A55
#155A55 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.5% C 0.066 H 187.8°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #155A55 |
|---|---|
| RGB | rgb(21, 90, 85) |
| HSL | hsl(176, 62%, 22%) |
| HSV | hsv(176, 77%, 35%) |
| CMYK | cmyk(76.7%, 0%, 5.6%, 64.7%) |
| CIE-LAB | lab(34.25, -21.97, -3.20) |
| CIE-LCH | lch(34.25, 22.20, 188.29°) |
| OKLab | oklab(42.51% -0.0657 -0.009) |
| OKLCH | oklch(42.51% 0.066 187.8) |
| XYZ | xyz(5.6043, 8.1270, 9.8659) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 1.73
Dark Blue Green
#005249
ΔE00 3.53
Dark Green Blue
#1F6357
ΔE00 4.17
Deep Teal
#00555A
ΔE00 4.96
Dark Teal
#014D4E
ΔE00 5.01
Dark Aqua
#05696B
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155A55 #5A151A
analogous
#155A33 #155A55 #153D5A
triadic
#155A55 #55155A #5A5515
tetradic
#155A55 #33155A #5A151A #3D5A15
square
#155A55 #33155A #5A151A #3D5A15
split-complementary
#155A55 #5A153D #5A3315
monochromatic
#061917 #092826 #155A55 #218C84 #2CBDB3
Accessibility & contrast
On white
8.00
#155A55 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#155A55 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155A55
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155A55 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155A55 | 1.00 | 8.00 | 2.63 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#555555
Deuteranopia (green-blind)
#4B4D56
Tritanopia (blue-blind)
#005C58
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155a55; /* rgb */ color: rgb(21, 90, 85); /* oklch */ color: oklch(42.5% 0.066 187.8);
Tailwind
colors: {
custom: {
50: '#5f8984',
500: '#155a55',
950: '#000000',
},
}SCSS
$custom: #155a55; $custom-light: #5f8984; $custom-dark: #000000;
JSON
{
"hex": "#155a55",
"rgb": {
"r": 21,
"g": 90,
"b": 85
},
"hsl": {
"h": 175.652,
"s": 62.162,
"l": 21.765
},
"oklch": {
"l": 0.42506,
"c": 0.06634,
"h": 187.8
},
"luminance": 0.08128
}Semantic roles & 50–950 ramp
primary
#155A55
secondary
#923940
accent
#434EE5
background
#F5F8F8
surface
#EAF0EF
border
#C6CBCA
text
#050B0B
muted
#797C7C