#4FA4AB
Closest named color: Cadet Blue (#5F9EA0). oklch(66.9% 0.083 202.6), rgb(79, 164, 171).
Aa
Black text reads best on this color (7.23:1).
About this color
#4FA4AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.083 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.021 away. Black text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.23:1 |
| White text | 2.90:1 |
Values
| HEX | #4FA4AB |
| RGB | rgb(79, 164, 171) |
| HSL | hsl(185, 37%, 49%) |
| OKLCH | oklch(66.9% 0.083 202.6) |
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 #4FA4AB | 2.90:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #4FA4AB | 7.23:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #4FA4AB text on white | 2.90:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #4FA4AB text on black | 7.23:1 | AAA | Lc -46.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A3C9CC
oklch(80.9% 0.041 202.3)
-
Step 400
400
#6FADB2
oklch(70.7% 0.064 202.3)
-
Step 500
500 (this color)
#4FA4AB
oklch(66.9% 0.083 202.6)
-
Step 600
600
#17828A
oklch(55.5% 0.089 202.9)
-
Step 700
700
#016E75
oklch(49% 0.083 202.5)
-
Step 800
800
#0C5A5F
oklch(42.7% 0.069 201.8)
-
Step 900
900
#164A4E
oklch(37.7% 0.054 202.4)
-
Step 950
950
#0F2B2E
oklch(26.9% 0.034 204.8)
#4FA4AB 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) | #999EAC | 0.083 |
| Deuteranopia (no green cones) | #8A93AB | 0.076 |
| Tritanopia (no blue cones) | #00AAA6 | 0.037 |
| Achromatopsia (no color) | #979797 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA4AB
#4FA4AB
oklch(66.9% 0.083 202.6)
- #C3817D
#C3817D
oklch(67% 0.083 23.3)
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 #4FA4AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.021
- Dull Teal #5F9E8F ΔE 0.040
- Greyblue #77A1B5 ΔE 0.045
- Light Sea Green #20B2AA ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.047
- Grey Teal #5E9B8A ΔE 0.047
- Sea #3C9992 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.053
Use #4FA4AB 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.