#155F50#155F50
#155F50 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.8% C 0.074 H 175.7°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).
Color values
| HEX | #155F50 |
|---|---|
| RGB | rgb(21, 95, 80) |
| HSL | hsl(168, 64%, 23%) |
| HSV | hsv(168, 78%, 37%) |
| CMYK | cmyk(77.9%, 0%, 15.8%, 62.7%) |
| CIE-LAB | lab(35.83, -26.03, 2.24) |
| CIE-LCH | lch(35.83, 26.12, 175.08°) |
| OKLab | oklab(43.75% -0.074 0.0055) |
| OKLCH | oklch(43.75% 0.074 175.7) |
| XYZ | xyz(5.8487, 8.9223, 9.0018) |
| Luminance | 0.0892 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.08
Dark Blue Green
#005249
ΔE00 4.78
Dark Turquoise
#045C5A
ΔE00 5.81
Spruce
#0A5F38
ΔE00 8.33
Dark Aqua
#05696B
ΔE00 8.45
Hunter Green
#355E3B
ΔE00 9.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155F50 #5F1524
analogous
#155F2B #155F50 #15495F
triadic
#155F50 #50155F #5F5015
tetradic
#155F50 #2B155F #5F1524 #495F15
square
#155F50 #2B155F #5F1524 #495F15
split-complementary
#155F50 #5F1549 #5F2B15
monochromatic
#061915 #0A2D26 #155F50 #20917A #2BC3A4
Accessibility & contrast
On white
7.54
#155F50 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.78
#155F50 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155F50
7.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155F50 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155F50 | 1.00 | 7.54 | 2.78 | 7.54 |
| #FFFFFF | 7.54 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.54 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B594F
Deuteranopia (green-blind)
#515151
Tritanopia (blue-blind)
#00605B
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #155f50; /* rgb */ color: rgb(21, 95, 80); /* oklch */ color: oklch(43.8% 0.074 175.7);
Tailwind
colors: {
custom: {
50: '#608d81',
500: '#155f50',
950: '#000000',
},
}SCSS
$custom: #155f50; $custom-light: #608d81; $custom-dark: #000000;
JSON
{
"hex": "#155f50",
"rgb": {
"r": 21,
"g": 95,
"b": 80
},
"hsl": {
"h": 167.838,
"s": 63.793,
"l": 22.745
},
"oklch": {
"l": 0.4375,
"c": 0.07426,
"h": 175.7
},
"luminance": 0.08923
}Semantic roles & 50–950 ramp
primary
#155F50
secondary
#963A4C
accent
#4163E7
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050C0A
muted
#7A7D7C