#155D51#155D51
#155D51 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.2% C 0.071 H 178.9°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).
Color values
| HEX | #155D51 |
|---|---|
| RGB | rgb(21, 93, 81) |
| HSL | hsl(170, 63%, 22%) |
| HSV | hsv(170, 77%, 36%) |
| CMYK | cmyk(77.4%, 0%, 12.9%, 63.5%) |
| CIE-LAB | lab(35.17, -24.74, 0.65) |
| CIE-LCH | lch(35.17, 24.75, 178.49°) |
| OKLab | oklab(43.21% -0.0712 0.0013) |
| OKLCH | oklch(43.21% 0.071 178.9) |
| XYZ | xyz(5.7081, 8.5815, 9.1386) |
| Luminance | 0.0858 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.11
Dark Blue Green
#005249
ΔE00 3.77
Dark Turquoise
#045C5A
ΔE00 4.52
Dark Aqua
#05696B
ΔE00 7.63
Dark Teal
#014D4E
ΔE00 7.78
Deep Teal
#00555A
ΔE00 8.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155D51 #5D1521
analogous
#155D2D #155D51 #15455D
triadic
#155D51 #51155D #5D5115
tetradic
#155D51 #2D155D #5D1521 #455D15
square
#155D51 #2D155D #5D1521 #455D15
split-complementary
#155D51 #5D1545 #5D2D15
monochromatic
#061916 #0A2B26 #155D51 #208F7C #2CC1A8
Accessibility & contrast
On white
7.73
#155D51 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.72
#155D51 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155D51
7.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155D51 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155D51 | 1.00 | 7.73 | 2.72 | 7.73 |
| #FFFFFF | 7.73 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.73 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#595751
Deuteranopia (green-blind)
#4F5052
Tritanopia (blue-blind)
#005F59
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155d51; /* rgb */ color: rgb(21, 93, 81); /* oklch */ color: oklch(43.2% 0.071 178.9);
Tailwind
colors: {
custom: {
50: '#5f8b81',
500: '#155d51',
950: '#000000',
},
}SCSS
$custom: #155d51; $custom-light: #5f8b81; $custom-dark: #000000;
JSON
{
"hex": "#155d51",
"rgb": {
"r": 21,
"g": 93,
"b": 81
},
"hsl": {
"h": 170,
"s": 63.158,
"l": 22.353
},
"oklch": {
"l": 0.43214,
"c": 0.07125,
"h": 178.9
},
"luminance": 0.08582
}Semantic roles & 50–950 ramp
primary
#155D51
secondary
#943949
accent
#425DE6
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050C0A
muted
#797D7C