#1B9684
Closest named color: Blue Green (#0F9B8E). oklch(60.6% 0.104 179.8), rgb(27, 150, 132).
Aa
Black text reads best on this color (5.74:1).
About this color
#1B9684 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.104 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.017 away. Black text reads best on it, at 5.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #1B9684 |
| RGB | rgb(27, 150, 132) |
| HSL | hsl(171, 69%, 35%) |
| OKLCH | oklch(60.6% 0.104 179.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1B9684 | 3.65:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #1B9684 | 5.74:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #1B9684 text on white | 3.65:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #1B9684 text on black | 5.74:1 | AA | Lc -38.0 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0DA
oklch(88.6% 0.029 180.2)
-
Step 300
300
#9DCCC2
oklch(80.9% 0.051 180.4)
-
Step 400
400
#63B2A2
oklch(70.8% 0.082 179.2)
-
Step 500
500 (this color)
#1B9684
oklch(60.6% 0.104 179.8)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#014D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#072D27
oklch(26.9% 0.043 180.1)
#1B9684 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #8F8C83 | 0.110 |
| Deuteranopia (no green cones) | #7F8186 | 0.105 |
| Tritanopia (no blue cones) | #009991 | 0.019 |
| Achromatopsia (no color) | #868686 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B9684
#1B9684
oklch(60.6% 0.104 179.8)
- #B46680
#B46680
oklch(60.6% 0.104 359.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B9684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.017
- Persian Green #2A9D8F ΔE 0.025
- Sea #3C9992 ΔE 0.030
- Teal Green #0A9396 ΔE 0.032
- Ocean Green #3D9973 ΔE 0.032
- Dusty Teal #4C9085 ΔE 0.033
- Dark Cyan #008B8B ΔE 0.040
- Viridian #1E9167 ΔE 0.041
Use #1B9684 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.