#4FA0AB
Closest named color: Cadet Blue (#5F9EA0). oklch(65.9% 0.08 207.1), rgb(79, 160, 171).
Aa
Black text reads best on this color (6.94:1).
About this color
#4FA0AB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.080 and its hue 207°. 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 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #4FA0AB |
| RGB | rgb(79, 160, 171) |
| HSL | hsl(187, 37%, 49%) |
| OKLCH | oklch(65.9% 0.08 207.1) |
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 #4FA0AB | 3.02:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #4FA0AB | 6.94:1 | AA | Lc 47.3 | Large or bold text, headings |
| #4FA0AB text on white | 3.02:1 | AA large text | Lc 56.8 | Large or bold text, headings |
| #4FA0AB text on black | 6.94:1 | AA | Lc -45.0 | Non-text elements, placeholder text |
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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300
#A4C8CE
oklch(80.9% 0.039 208.8)
-
Step 400
400
#70ACB5
oklch(70.7% 0.063 207.8)
-
Step 500
500 (this color)
#4FA0AB
oklch(65.9% 0.08 207.1)
-
Step 600
600
#1E818D
oklch(55.5% 0.087 207.3)
-
Step 700
700
#0C6D78
oklch(49% 0.081 207.4)
-
Step 800
800
#125962
oklch(42.7% 0.067 207.8)
-
Step 900
900
#194950
oklch(37.6% 0.052 208.5)
-
Step 950
950
#102B2F
oklch(27% 0.033 208.2)
#4FA0AB 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) | #959BAC | 0.079 |
| Deuteranopia (no green cones) | #8690AB | 0.071 |
| Tritanopia (no blue cones) | #00A6A3 | 0.040 |
| Achromatopsia (no color) | #949494 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA0AB
#4FA0AB
oklch(65.9% 0.08 207.1)
- #BE7F77
#BE7F77
oklch(65.9% 0.08 27.4)
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 #4FA0AB, 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 0.041
- Sea #3C9992 ΔE 0.044
- Greyblue #77A1B5 ΔE 0.045
- Grey Teal #5E9B8A ΔE 0.047
- Persian Green #2A9D8F ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.055
Use #4FA0AB 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.