#3AAFA1
Closest named color: Light Sea Green (#20B2AA). oklch(68.6% 0.105 183.8), rgb(58, 175, 161).
Aa
Black text reads best on this color (7.82:1).
About this color
#3AAFA1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.105 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.015 away. Black text reads best on it, at 7.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.82:1 |
| White text | 2.68:1 |
Values
| HEX | #3AAFA1 |
| RGB | rgb(58, 175, 161) |
| HSL | hsl(173, 50%, 46%) |
| OKLCH | oklch(68.6% 0.105 183.8) |
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 #3AAFA1 | 2.68:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #3AAFA1 | 7.82:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #3AAFA1 text on white | 2.68:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #3AAFA1 text on black | 7.82:1 | AAA | Lc -50.1 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#C0E1DC
oklch(88.4% 0.035 185.4)
-
Step 300
300
#90CFC5
oklch(80.9% 0.066 183.7)
-
Step 400
400 (this color)
#3AAFA1
oklch(68.6% 0.105 183.8)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#3AAFA1 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) | #A7A5A1 | 0.112 |
| Deuteranopia (no green cones) | #9699A2 | 0.105 |
| Tritanopia (no blue cones) | #00B3AB | 0.019 |
| Achromatopsia (no color) | #9E9E9E | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3AAFA1
#3AAFA1
oklch(68.6% 0.105 183.8)
- #D07E93
#D07E93
oklch(68.6% 0.104 3.6)
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 #3AAFA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.015
- Greeny Blue #42B395 ΔE 0.024
- Topaz #13BBAF ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.051
- Cadet Blue #5F9EA0 ΔE 0.053
- Tea #65AB7C ΔE 0.054
- Persian Green #2A9D8F ΔE 0.056
Use #3AAFA1 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.