#2BB5B9
Closest named color: Light Sea Green (#20B2AA). oklch(70.6% 0.111 197.9), rgb(43, 181, 185).
Aa
Black text reads best on this color (8.41:1).
About this color
#2BB5B9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.111 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.023 away. Black text reads best on it, at 8.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #2BB5B9 |
| RGB | rgb(43, 181, 185) |
| HSL | hsl(182, 62%, 45%) |
| OKLCH | oklch(70.6% 0.111 197.9) |
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 #2BB5B9 | 2.49:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #2BB5B9 | 8.41:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #2BB5B9 text on white | 2.49:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #2BB5B9 text on black | 8.41:1 | AAA | Lc -53.4 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DBEEEF
oklch(93.5% 0.02 200.6)
-
Step 200
200
#BDE1E2
oklch(88.4% 0.038 198.6)
-
Step 300
300
#8ACFD1
oklch(81% 0.069 198.2)
-
Step 400
400 (this color)
#2BB5B9
oklch(70.6% 0.111 197.9)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008487
oklch(55.6% 0.095 197.6)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#2BB5B9 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) | #A8ACB9 | 0.115 |
| Deuteranopia (no green cones) | #949EBA | 0.106 |
| Tritanopia (no blue cones) | #00BBB6 | 0.020 |
| Achromatopsia (no color) | #A4A4A4 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2BB5B9
#2BB5B9
oklch(70.6% 0.111 197.9)
- #DD8386
#DD8386
oklch(70.7% 0.111 18.1)
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 #2BB5B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.023
- Turquoise Blue #06B1C4 ΔE 0.024
- Topaz #13BBAF ΔE 0.027
- Greeny Blue #42B395 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.067
- Dark Turquoise #00CED1 ΔE 0.069
- Greyblue #77A1B5 ΔE 0.073
- Dull Teal #5F9E8F ΔE 0.075
Use #2BB5B9 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.