#2BB5B7
Closest named color: Light Sea Green (#20B2AA). oklch(70.5% 0.111 196.4), rgb(43, 181, 183).
Aa
Black text reads best on this color (8.39:1).
About this color
#2BB5B7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.111 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.020 away. Black text reads best on it, at 8.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #2BB5B7 |
| RGB | rgb(43, 181, 183) |
| HSL | hsl(181, 62%, 44%) |
| OKLCH | oklch(70.5% 0.111 196.4) |
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 #2BB5B7 | 2.50:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #2BB5B7 | 8.39:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #2BB5B7 text on white | 2.50:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #2BB5B7 text on black | 8.39:1 | AAA | Lc -53.3 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DBEEEE
oklch(93.5% 0.02 196.8)
-
Step 200
200
#BDE2E2
oklch(88.6% 0.039 196.5)
-
Step 300
300
#8ACFD0
oklch(80.9% 0.069 197)
-
Step 400
400 (this color)
#2BB5B7
oklch(70.5% 0.111 196.4)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#2BB5B7 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) | #A8ACB7 | 0.115 |
| Deuteranopia (no green cones) | #959EB8 | 0.107 |
| Tritanopia (no blue cones) | #00BBB5 | 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°).
- #2BB5B7
#2BB5B7
oklch(70.5% 0.111 196.4)
- #DC8288
#DC8288
oklch(70.4% 0.111 16)
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 #2BB5B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.020
- Topaz #13BBAF ΔE 0.025
- Turquoise Blue #06B1C4 ΔE 0.027
- Greeny Blue #42B395 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.066
- Dark Turquoise #00CED1 ΔE 0.070
- Dull Teal #5F9E8F ΔE 0.074
- Greyblue #77A1B5 ΔE 0.074
Use #2BB5B7 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.