#4BB3B3
Closest named color: Light Sea Green (#20B2AA). oklch(70.7% 0.095 195.2), rgb(75, 179, 179).
Aa
Black text reads best on this color (8.39:1).
About this color
#4BB3B3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.095 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.027 away. Black text reads best on it, at 8.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #4BB3B3 |
| RGB | rgb(75, 179, 179) |
| HSL | hsl(180, 41%, 50%) |
| OKLCH | oklch(70.7% 0.095 195.2) |
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 #4BB3B3 | 2.50:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #4BB3B3 | 8.39:1 | AAA | Lc 55.2 | Large or bold text, headings |
| #4BB3B3 text on white | 2.50:1 | Fails | Lc 48.8 | Large or bold text, headings |
| #4BB3B3 text on black | 8.39:1 | AAA | Lc -53.1 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#C1E0E0
oklch(88.4% 0.033 196.6)
-
Step 300
300
#93CDCD
oklch(80.9% 0.06 196)
-
Step 400
400 (this color)
#4BB3B3
oklch(70.7% 0.095 195.2)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#4BB3B3 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) | #A8ABB3 | 0.099 |
| Deuteranopia (no green cones) | #979EB4 | 0.093 |
| Tritanopia (no blue cones) | #00B8B3 | 0.027 |
| Achromatopsia (no color) | #A4A4A4 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BB3B3
#4BB3B3
oklch(70.7% 0.095 195.2)
- #D5888D
#D5888D
oklch(70.7% 0.095 15.5)
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 #4BB3B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.027
- Topaz #13BBAF ΔE 0.033
- Turquoise Blue #06B1C4 ΔE 0.036
- Greeny Blue #42B395 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.062
- Dull Teal #5F9E8F ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.067
Use #4BB3B3 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.