#3FB0AB
Closest named color: Light Sea Green (#20B2AA). oklch(69.3% 0.101 190.9), rgb(63, 176, 171).
Aa
Black text reads best on this color (8.00:1).
About this color
#3FB0AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.101 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.014 away. Black text reads best on it, at 8.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.00:1 |
| White text | 2.62:1 |
Values
| HEX | #3FB0AB |
| RGB | rgb(63, 176, 171) |
| HSL | hsl(177, 47%, 47%) |
| OKLCH | oklch(69.3% 0.101 190.9) |
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 #3FB0AB | 2.62:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #3FB0AB | 8.00:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #3FB0AB text on white | 2.62:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #3FB0AB text on black | 8.00:1 | AAA | Lc -51.1 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#C0E1DE
oklch(88.5% 0.035 189.8)
-
Step 300
300
#91CECA
oklch(80.9% 0.063 190.9)
-
Step 400
400 (this color)
#3FB0AB
oklch(69.3% 0.101 190.9)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#3FB0AB 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) | #A6A7AB | 0.106 |
| Deuteranopia (no green cones) | #959AAC | 0.101 |
| Tritanopia (no blue cones) | #00B5AE | 0.021 |
| Achromatopsia (no color) | #A0A0A0 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB0AB
#3FB0AB
oklch(69.3% 0.101 190.9)
- #D2828D
#D2828D
oklch(69.3% 0.099 11.1)
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 #3FB0AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.014
- Topaz #13BBAF ΔE 0.032
- Greeny Blue #42B395 ΔE 0.036
- Turquoise Blue #06B1C4 ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.051
- Dull Teal #5F9E8F ΔE 0.055
- Grey Teal #5E9B8A ΔE 0.064
- Persian Green #2A9D8F ΔE 0.064
Use #3FB0AB 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.