#4FA5A8
Closest named color: Cadet Blue (#5F9EA0). oklch(67% 0.083 198.4), rgb(79, 165, 168).
Aa
Black text reads best on this color (7.27:1).
About this color
#4FA5A8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.083 and its hue 198°. 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 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #4FA5A8 |
| RGB | rgb(79, 165, 168) |
| HSL | hsl(182, 36%, 48%) |
| OKLCH | oklch(67% 0.083 198.4) |
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 #4FA5A8 | 2.88:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #4FA5A8 | 7.27:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #4FA5A8 text on white | 2.88:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #4FA5A8 text on black | 7.27:1 | AAA | Lc -46.9 | 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
#DFEDED
oklch(93.6% 0.015 196.9)
-
Step 200
200
#C4DFE0
oklch(88.4% 0.029 199.4)
-
Step 300
300
#9ACBCD
oklch(80.8% 0.051 199.3)
-
Step 400
400 (this color)
#4FA5A8
oklch(67% 0.083 198.4)
-
Step 500
500
#0A9CA1
oklch(63% 0.106 198.9)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#032D2E
oklch(27.1% 0.044 197.3)
#4FA5A8 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) | #9B9EA8 | 0.085 |
| Deuteranopia (no green cones) | #8C93A9 | 0.080 |
| Tritanopia (no blue cones) | #00AAA6 | 0.034 |
| Achromatopsia (no color) | #989898 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA5A8
#4FA5A8
oklch(67% 0.083 198.4)
- #C38182
#C38182
oklch(67.1% 0.082 18.5)
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 #4FA5A8, 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 0.036
- Light Sea Green #20B2AA ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.044
- Sea #3C9992 ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.048
- Greyblue #77A1B5 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.050
Use #4FA5A8 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.