#0BB5B2
Closest named color: Light Sea Green (#20B2AA). oklch(70% 0.119 192.7), rgb(11, 181, 178).
Aa
Black text reads best on this color (8.26:1).
About this color
#0BB5B2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.119 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.012 away. Black text reads best on it, at 8.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #0BB5B2 |
| RGB | rgb(11, 181, 178) |
| HSL | hsl(179, 89%, 38%) |
| OKLCH | oklch(70% 0.119 192.7) |
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 #0BB5B2 | 2.54:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #0BB5B2 | 8.26:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #0BB5B2 text on white | 2.54:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #0BB5B2 text on black | 8.26:1 | AAA | Lc -52.8 | 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
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DAEFEE
oklch(93.6% 0.022 193.3)
-
Step 200
200
#BBE2E0
oklch(88.4% 0.041 192.6)
-
Step 300
300
#86D0CD
oklch(80.8% 0.074 192.5)
-
Step 400
400 (this color)
#0BB5B2
oklch(70% 0.119 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008482
oklch(55.5% 0.095 192.9)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#0BB5B2 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) | #A9ABB2 | 0.125 |
| Deuteranopia (no green cones) | #949CB3 | 0.116 |
| Tritanopia (no blue cones) | #00BBB4 | 0.017 |
| Achromatopsia (no color) | #A2A2A2 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0BB5B2
#0BB5B2
oklch(70% 0.119 192.7)
- #DD7E8A
#DD7E8A
oklch(70% 0.118 12.5)
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 #0BB5B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.012
- Topaz #13BBAF ΔE 0.020
- Turquoise Blue #06B1C4 ΔE 0.033
- Greeny Blue #42B395 ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.069
- Green Blue #01C08D ΔE 0.071
- Dull Teal #5F9E8F ΔE 0.073
- Persian Green #2A9D8F ΔE 0.074
Use #0BB5B2 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.