#3FAFAF
Closest named color: Light Sea Green (#20B2AA). oklch(69.2% 0.099 195.1), rgb(63, 175, 175).
Aa
Black text reads best on this color (7.96:1).
About this color
#3FAFAF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.099 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.019 away. Black text reads best on it, at 7.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.96:1 |
| White text | 2.63:1 |
Values
| HEX | #3FAFAF |
| RGB | rgb(63, 175, 175) |
| HSL | hsl(180, 47%, 47%) |
| OKLCH | oklch(69.2% 0.099 195.1) |
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 #3FAFAF | 2.63:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #3FAFAF | 7.96:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #3FAFAF text on white | 2.63:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #3FAFAF text on black | 7.96:1 | AAA | Lc -50.8 | 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
#C0E1E0
oklch(88.6% 0.035 194.3)
-
Step 300
300
#91CECD
oklch(81% 0.062 194.7)
-
Step 400
400 (this color)
#3FAFAF
oklch(69.2% 0.099 195.1)
-
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
#006F6F
oklch(49% 0.084 194.8)
-
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)
#3FAFAF 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) | #A4A7AF | 0.103 |
| Deuteranopia (no green cones) | #929AB0 | 0.096 |
| Tritanopia (no blue cones) | #00B4AF | 0.022 |
| Achromatopsia (no color) | #9F9F9F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FAFAF
#3FAFAF
oklch(69.2% 0.099 195.1)
- #D28288
#D28288
oklch(69.2% 0.099 15.1)
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 #3FAFAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.019
- Turquoise Blue #06B1C4 ΔE 0.032
- Topaz #13BBAF ΔE 0.036
- Greeny Blue #42B395 ΔE 0.044
- Cadet Blue #5F9EA0 ΔE 0.049
- Dull Teal #5F9E8F ΔE 0.056
- Greyblue #77A1B5 ΔE 0.062
- Grey Teal #5E9B8A ΔE 0.065
Use #3FAFAF 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.