#4FA2AA
Closest named color: Cadet Blue (#5F9EA0). oklch(66.4% 0.081 203.8), rgb(79, 162, 170).
Aa
Black text reads best on this color (7.08:1).
About this color
#4FA2AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.081 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.019 away. Black text reads best on it, at 7.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #4FA2AA |
| RGB | rgb(79, 162, 170) |
| HSL | hsl(185, 37%, 49%) |
| OKLCH | oklch(66.4% 0.081 203.8) |
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 #4FA2AA | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #4FA2AA | 7.08:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #4FA2AA text on white | 2.96:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #4FA2AA text on black | 7.08:1 | AAA | Lc -45.8 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C9CC
oklch(81% 0.04 202.5)
-
Step 400
400
#70ADB3
oklch(70.8% 0.064 203.7)
-
Step 500
500 (this color)
#4FA2AA
oklch(66.4% 0.081 203.8)
-
Step 600
600
#1B828B
oklch(55.6% 0.088 204)
-
Step 700
700
#076E76
oklch(49.1% 0.082 203.8)
-
Step 800
800
#0F5A60
oklch(42.8% 0.068 203.3)
-
Step 900
900
#184A4E
oklch(37.8% 0.053 202.6)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#4FA2AA 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) | #979CAB | 0.081 |
| Deuteranopia (no green cones) | #8891AA | 0.075 |
| Tritanopia (no blue cones) | #00A8A4 | 0.038 |
| Achromatopsia (no color) | #969696 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA2AA
#4FA2AA
oklch(66.4% 0.081 203.8)
- #C0807B
#C0807B
oklch(66.4% 0.08 24.4)
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 #4FA2AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.019
- Dull Teal #5F9E8F ΔE 0.038
- Sea #3C9992 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.045
- Greyblue #77A1B5 ΔE 0.045
- Light Sea Green #20B2AA ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.050
- Persian Green #2A9D8F ΔE 0.051
Use #4FA2AA 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.