#4FA0B0
Closest named color: Cadet Blue (#5F9EA0). oklch(66.1% 0.082 212.2), rgb(79, 160, 176).
Aa
Black text reads best on this color (6.98:1).
About this color
#4FA0B0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.082 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.025 away. Black text reads best on it, at 6.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #4FA0B0 |
| RGB | rgb(79, 160, 176) |
| HSL | hsl(190, 38%, 50%) |
| OKLCH | oklch(66.1% 0.082 212.2) |
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 #4FA0B0 | 3.00:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #4FA0B0 | 6.98:1 | AA | Lc 47.5 | Large or bold text, headings |
| #4FA0B0 text on white | 3.00:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #4FA0B0 text on black | 6.98:1 | AA | Lc -45.2 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#70ACB8
oklch(70.8% 0.064 211.6)
-
Step 500
500 (this color)
#4FA0B0
oklch(66.1% 0.082 212.2)
-
Step 600
600
#1D8192
oklch(55.7% 0.09 212.1)
-
Step 700
700
#0B6D7C
oklch(49.2% 0.083 211.7)
-
Step 800
800
#115965
oklch(42.8% 0.069 211.8)
-
Step 900
900
#184952
oklch(37.7% 0.054 211.9)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#4FA0B0 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) | #939BB1 | 0.076 |
| Deuteranopia (no green cones) | #8490B0 | 0.069 |
| Tritanopia (no blue cones) | #00A7A5 | 0.044 |
| Achromatopsia (no color) | #959595 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA0B0
#4FA0B0
oklch(66.1% 0.082 212.2)
- #C08073
#C08073
oklch(66.2% 0.082 32)
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 #4FA0B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.025
- Greyblue #77A1B5 ΔE 0.042
- Dull Teal #5F9E8F ΔE 0.048
- Sea #3C9992 ΔE 0.050
- Turquoise Blue #06B1C4 ΔE 0.051
- Grey Teal #5E9B8A ΔE 0.054
- Persian Green #2A9D8F ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.059
Use #4FA0B0 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.