#155B4A#155B4A
#155B4A is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.073 H 172.6°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #155B4A |
|---|---|
| RGB | rgb(21, 91, 74) |
| HSL | hsl(165, 63%, 22%) |
| HSV | hsv(165, 77%, 36%) |
| CMYK | cmyk(76.9%, 0%, 18.7%, 64.3%) |
| CIE-LAB | lab(34.26, -25.80, 3.71) |
| CIE-LCH | lch(34.26, 26.07, 171.82°) |
| OKLab | oklab(42.41% -0.0727 0.0094) |
| OKLCH | oklch(42.41% 0.073 172.6) |
| XYZ | xyz(5.2857, 8.1354, 7.7690) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 3.60
Dark Blue Green
#005249
ΔE00 4.36
Dark Turquoise
#045C5A
ΔE00 6.71
Spruce
#0A5F38
ΔE00 7.42
Hunter Green
#355E3B
ΔE00 8.15
Evergreen
#05472A
ΔE00 8.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155B4A #5B1526
analogous
#155B27 #155B4A #15495B
triadic
#155B4A #4A155B #5B4A15
tetradic
#155B4A #27155B #5B1526 #495B15
square
#155B4A #27155B #5B1526 #495B15
split-complementary
#155B4A #5B1549 #5B2715
monochromatic
#061914 #0A2922 #155B4A #208D72 #2CBE9B
Accessibility & contrast
On white
7.99
#155B4A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#155B4A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155B4A
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155B4A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155B4A | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585549
Deuteranopia (green-blind)
#4E4E4B
Tritanopia (blue-blind)
#005C56
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155b4a; /* rgb */ color: rgb(21, 91, 74); /* oklch */ color: oklch(42.4% 0.073 172.6);
Tailwind
colors: {
custom: {
50: '#5e8a7c',
500: '#155b4a',
950: '#000000',
},
}SCSS
$custom: #155b4a; $custom-light: #5e8a7c; $custom-dark: #000000;
JSON
{
"hex": "#155b4a",
"rgb": {
"r": 21,
"g": 91,
"b": 74
},
"hsl": {
"h": 165.429,
"s": 62.5,
"l": 21.961
},
"oklch": {
"l": 0.4241,
"c": 0.07328,
"h": 172.6
},
"luminance": 0.08136
}Semantic roles & 50–950 ramp
primary
#155B4A
secondary
#92394F
accent
#426AE6
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050C09
muted
#797D7B