#1B9F81#1B9F81
#1B9F81 is a light, moderate teal. Relative luminance 0.266; OKLCH L 62.9% C 0.116 H 172.3°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).
Color values
| HEX | #1B9F81 |
|---|---|
| RGB | rgb(27, 159, 129) |
| HSL | hsl(166, 71%, 36%) |
| HSV | hsv(166, 83%, 62%) |
| CMYK | cmyk(83%, 0%, 18.9%, 37.6%) |
| CIE-LAB | lab(58.61, -40.95, 6.15) |
| CIE-LCH | lch(58.61, 41.41, 171.46°) |
| OKLab | oklab(62.87% -0.1149 0.0156) |
| OKLCH | oklch(62.87% 0.116 172.3) |
| XYZ | xyz(16.8104, 26.6121, 25.0153) |
| Luminance | 0.2661 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Ocean Green
#3D9973
ΔE00 4.29
Bluish Green
#10A674
ΔE00 5.54
Blue Green
#0F9B8E
ΔE00 5.85
Jade
#1FA774
ΔE00 5.94
Teal Green
#25A36F
ΔE00 6.09
Viridian
#1E9167
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B9F81 #9F1B39
analogous
#1B9F3F #1B9F81 #1B7B9F
triadic
#1B9F81 #811B9F #9F811B
tetradic
#1B9F81 #3F1B9F #9F1B39 #7B9F1B
square
#1B9F81 #3F1B9F #9F1B39 #7B9F1B
split-complementary
#1B9F81 #9F1B7B #9F3F1B
monochromatic
#09362C #126B57 #1B9F81 #24D3AB #53E2C1
Accessibility & contrast
On white
3.32
#1B9F81 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.32
#1B9F81 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B9F81
6.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B9F81 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B9F81 | 1.00 | 3.32 | 6.32 | 6.32 |
| #FFFFFF | 3.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.32 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.32 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9A9480
Deuteranopia (green-blind)
#8A8883
Tritanopia (blue-blind)
#00A196
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #1b9f81; /* rgb */ color: rgb(27, 159, 129); /* oklch */ color: oklch(62.9% 0.116 172.3);
Tailwind
colors: {
custom: {
50: '#71bca5',
500: '#1b9f81',
950: '#000000',
},
}SCSS
$custom: #1b9f81; $custom-light: #71bca5; $custom-dark: #000000;
JSON
{
"hex": "#1b9f81",
"rgb": {
"r": 27,
"g": 159,
"b": 129
},
"hsl": {
"h": 166.364,
"s": 70.968,
"l": 36.471
},
"oklch": {
"l": 0.62867,
"c": 0.11593,
"h": 172.3
},
"luminance": 0.26614
}Semantic roles & 50–950 ramp
primary
#1B9F81
secondary
#C5516B
accent
#3A63EE
background
#F7FBFA
surface
#EDF6F4
border
#C8D0CE
text
#09120F
muted
#7B817F