#155B4F#155B4F
#155B4F is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.6% C 0.070 H 178.6°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).
Color values
| HEX | #155B4F |
|---|---|
| RGB | rgb(21, 91, 79) |
| HSL | hsl(170, 63%, 22%) |
| HSV | hsv(170, 77%, 36%) |
| CMYK | cmyk(76.9%, 0%, 13.2%, 64.3%) |
| CIE-LAB | lab(34.41, -24.34, 0.79) |
| CIE-LCH | lch(34.41, 24.35, 178.13°) |
| OKLab | oklab(42.58% -0.07 0.0017) |
| OKLCH | oklch(42.58% 0.07 178.6) |
| XYZ | xyz(5.4609, 8.2055, 8.6916) |
| Luminance | 0.0821 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.72
Dark Blue Green
#005249
ΔE00 3.21
Dark Turquoise
#045C5A
ΔE00 4.58
Dark Teal
#014D4E
ΔE00 7.40
Dark Aqua
#05696B
ΔE00 8.03
Deep Teal
#00555A
ΔE00 8.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155B4F #5B1521
analogous
#155B2C #155B4F #15445B
triadic
#155B4F #4F155B #5B4F15
tetradic
#155B4F #2C155B #5B1521 #445B15
square
#155B4F #2C155B #5B1521 #445B15
split-complementary
#155B4F #5B1544 #5B2C15
monochromatic
#061916 #0A2924 #155B4F #208D7A #2CBEA5
Accessibility & contrast
On white
7.95
#155B4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#155B4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155B4F
7.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155B4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155B4F | 1.00 | 7.95 | 2.64 | 7.95 |
| #FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57554F
Deuteranopia (green-blind)
#4D4E50
Tritanopia (blue-blind)
#005D57
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155b4f; /* rgb */ color: rgb(21, 91, 79); /* oklch */ color: oklch(42.6% 0.070 178.6);
Tailwind
colors: {
custom: {
50: '#5f8a80',
500: '#155b4f',
950: '#000000',
},
}SCSS
$custom: #155b4f; $custom-light: #5f8a80; $custom-dark: #000000;
JSON
{
"hex": "#155b4f",
"rgb": {
"r": 21,
"g": 91,
"b": 79
},
"hsl": {
"h": 169.714,
"s": 62.5,
"l": 21.961
},
"oklch": {
"l": 0.42575,
"c": 0.07002,
"h": 178.6
},
"luminance": 0.08206
}Semantic roles & 50–950 ramp
primary
#155B4F
secondary
#923949
accent
#425EE6
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050B0A
muted
#797C7C