#4FA39A
Closest named color: Dull Teal (#5F9E8F). oklch(66.1% 0.083 186.1), rgb(79, 163, 154).
Aa
Black text reads best on this color (7.03:1).
About this color
#4FA39A is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.083 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.020 away. Black text reads best on it, at 7.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #4FA39A |
| RGB | rgb(79, 163, 154) |
| HSL | hsl(174, 35%, 47%) |
| OKLCH | oklch(66.1% 0.083 186.1) |
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 #4FA39A | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #4FA39A | 7.03:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #4FA39A text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #4FA39A text on black | 7.03:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#70AEA7
oklch(70.7% 0.065 186.8)
-
Step 500
500 (this color)
#4FA39A
oklch(66.1% 0.083 186.1)
-
Step 600
600
#1D847B
oklch(55.6% 0.09 186)
-
Step 700
700
#097068
oklch(49.2% 0.084 186.1)
-
Step 800
800
#105B55
oklch(42.7% 0.069 186.7)
-
Step 900
900
#184B46
oklch(37.7% 0.054 186.1)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#4FA39A 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) | #9C9B9A | 0.089 |
| Deuteranopia (no green cones) | #8E919B | 0.083 |
| Tritanopia (no blue cones) | #1DA6A0 | 0.026 |
| Achromatopsia (no color) | #959595 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA39A
#4FA39A
oklch(66.1% 0.083 186.1)
- #BE7D8A
#BE7D8A
oklch(66% 0.082 6.5)
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 #4FA39A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.020
- Cadet Blue #5F9EA0 ΔE 0.024
- Grey Teal #5E9B8A ΔE 0.028
- Sea #3C9992 ΔE 0.035
- Persian Green #2A9D8F ΔE 0.036
- Light Sea Green #20B2AA ΔE 0.044
- Blue Green #0F9B8E ΔE 0.047
- Greeny Blue #42B395 ΔE 0.050
Use #4FA39A 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.