#2BB4B1
Closest named color: Light Sea Green (#20B2AA). oklch(70% 0.111 192.7), rgb(43, 180, 177).
Aa
Black text reads best on this color (8.26:1).
About this color
#2BB4B1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.111 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 (0.111) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #2BB4B1 |
| RGB | rgb(43, 180, 177) |
| HSL | hsl(179, 61%, 44%) |
| OKLCH | oklch(70% 0.111 192.7) |
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 #2BB4B1 | 2.54:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #2BB4B1 | 8.26:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #2BB4B1 text on white | 2.54:1 | Fails | Lc 49.4 | Large or bold text, headings |
| #2BB4B1 text on black | 8.26:1 | AAA | Lc -52.6 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEEED
oklch(93.5% 0.02 193)
-
Step 200
200
#BDE2E0
oklch(88.6% 0.039 192.4)
-
Step 300
300
#8ACFCD
oklch(80.8% 0.069 193.6)
-
Step 400
400 (this color)
#2BB4B1
oklch(70% 0.111 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
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)
#2BB4B1 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) | #A8ABB1 | 0.116 |
| Deuteranopia (no green cones) | #959CB2 | 0.110 |
| Tritanopia (no blue cones) | #00B9B3 | 0.015 |
| Achromatopsia (no color) | #A2A2A2 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2BB4B1
#2BB4B1
oklch(70% 0.111 192.7)
- #DA818B
#DA818B
oklch(70.1% 0.11 13.1)
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 #2BB4B1, 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 0.022
- Turquoise Blue #06B1C4 ΔE 0.033
- Greeny Blue #42B395 ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.063
- Dull Teal #5F9E8F ΔE 0.068
- Persian Green #2A9D8F ΔE 0.073
- Green Blue #01C08D ΔE 0.073
Use #2BB4B1 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.