#1BBDA0
Closest named color: Topaz (#13BBAF). oklch(71.5% 0.13 176), rgb(27, 189, 160).
Aa
Black text reads best on this color (8.83:1).
About this color
#1BBDA0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.130 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.024 away. Black text reads best on it, at 8.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.83:1 |
| White text | 2.37:1 |
Values
| HEX | #1BBDA0 |
| RGB | rgb(27, 189, 160) |
| HSL | hsl(169, 75%, 42%) |
| OKLCH | oklch(71.5% 0.13 176) |
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 #1BBDA0 | 2.37:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #1BBDA0 | 8.83:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #1BBDA0 text on white | 2.37:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #1BBDA0 text on black | 8.83:1 | AAA | Lc -55.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#DBEFE9
oklch(93.6% 0.023 175.9)
-
Step 200
200
#BBE3D8
oklch(88.4% 0.044 176.7)
-
Step 300
300
#86D2BF
oklch(80.9% 0.081 176.6)
-
Step 400
400 (this color)
#1BBDA0
oklch(71.5% 0.13 176)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#1BBDA0 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) | #B6B09F | 0.136 |
| Deuteranopia (no green cones) | #A2A2A2 | 0.130 |
| Tritanopia (no blue cones) | #00C0B4 | 0.027 |
| Achromatopsia (no color) | #A8A8A8 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BBDA0
#1BBDA0
oklch(71.5% 0.13 176)
- #E27FA6
#E27FA6
oklch(71.5% 0.129 355.8)
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 #1BBDA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.024
- Greeny Blue #42B395 ΔE 0.029
- Green Blue #01C08D ΔE 0.032
- Light Sea Green #20B2AA ΔE 0.040
- Greenblue #23C48B ΔE 0.041
- Dark Seafoam #1FB57A ΔE 0.052
- Bluey Green #2BB179 ΔE 0.055
- Green Teal #0CB577 ΔE 0.057
Use #1BBDA0 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.