#155C40#155C40
#155C40 is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.4% C 0.083 H 162.1°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).
Color values
| HEX | #155C40 |
|---|---|
| RGB | rgb(21, 92, 64) |
| HSL | hsl(156, 63%, 22%) |
| HSV | hsv(156, 77%, 36%) |
| CMYK | cmyk(77.2%, 0%, 30.4%, 63.9%) |
| CIE-LAB | lab(34.36, -28.97, 10.04) |
| CIE-LCH | lch(34.36, 30.66, 160.88°) |
| OKLab | oklab(42.41% -0.0792 0.0256) |
| OKLCH | oklch(42.41% 0.083 162.1) |
| XYZ | xyz(5.0613, 8.1833, 6.1623) |
| Luminance | 0.0818 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Spruce
#0A5F38
ΔE00 3.41
Pine
#2B5D34
ΔE00 5.27
Hunter Green
#355E3B
ΔE00 5.33
Evergreen
#05472A
ΔE00 6.77
Dark Green Blue
#1F6357
ΔE00 6.88
Dark Blue Green
#005249
ΔE00 7.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155C40 #5C1531
analogous
#155C1D #155C40 #15555C
triadic
#155C40 #40155C #5C4015
tetradic
#155C40 #1D155C #5C1531 #555C15
square
#155C40 #1D155C #5C1531 #555C15
split-complementary
#155C40 #5C1555 #5C1D15
monochromatic
#061911 #0A2A1D #155C40 #208E63 #2CC085
Accessibility & contrast
On white
7.96
#155C40 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.64
#155C40 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155C40
7.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155C40 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155C40 | 1.00 | 7.96 | 2.64 | 7.96 |
| #FFFFFF | 7.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A553E
Deuteranopia (green-blind)
#514E42
Tritanopia (blue-blind)
#005C54
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155c40; /* rgb */ color: rgb(21, 92, 64); /* oklch */ color: oklch(42.4% 0.083 162.1);
Tailwind
colors: {
custom: {
50: '#5e8b75',
500: '#155c40',
950: '#000000',
},
}SCSS
$custom: #155c40; $custom-light: #5e8b75; $custom-dark: #000000;
JSON
{
"hex": "#155c40",
"rgb": {
"r": 21,
"g": 92,
"b": 64
},
"hsl": {
"h": 156.338,
"s": 62.832,
"l": 22.157
},
"oklch": {
"l": 0.42406,
"c": 0.08324,
"h": 162.1
},
"luminance": 0.08184
}Semantic roles & 50–950 ramp
primary
#155C40
secondary
#93395D
accent
#4283E6
background
#F5F8F7
surface
#EAF0ED
border
#C6CBC8
text
#050C08
muted
#797D7B