#4FA4AC
Closest named color: Cadet Blue (#5F9EA0). oklch(66.9% 0.083 203.6), rgb(79, 164, 172).
Aa
Black text reads best on this color (7.23:1).
About this color
#4FA4AC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.083 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.022 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 | #4FA4AC |
| RGB | rgb(79, 164, 172) |
| HSL | hsl(185, 37%, 49%) |
| OKLCH | oklch(66.9% 0.083 203.6) |
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 #4FA4AC | 2.90:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #4FA4AC | 7.23:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #4FA4AC text on white | 2.90:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #4FA4AC text on black | 7.23:1 | AAA | Lc -46.7 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C4DFE2
oklch(88.5% 0.029 204.8)
-
Step 300
300
#9ACBD0
oklch(80.9% 0.052 204)
-
Step 400
400 (this color)
#4FA4AC
oklch(66.9% 0.083 203.6)
-
Step 500
500
#0D9CA6
oklch(63.2% 0.106 203)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#032C30
oklch(26.8% 0.043 204.8)
#4FA4AC 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) | #999EAD | 0.083 |
| Deuteranopia (no green cones) | #8A93AC | 0.076 |
| Tritanopia (no blue cones) | #00AAA6 | 0.038 |
| Achromatopsia (no color) | #989898 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA4AC
#4FA4AC
oklch(66.9% 0.083 203.6)
- #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 #4FA4AC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.022
- Dull Teal #5F9E8F ΔE 0.041
- Greyblue #77A1B5 ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.046
- Turquoise Blue #06B1C4 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.048
- Sea #3C9992 ΔE 0.049
- Persian Green #2A9D8F ΔE 0.054
Use #4FA4AC 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.