#4EA4A1
Closest named color: Cadet Blue (#5F9EA0). oklch(66.5% 0.083 192.3), rgb(78, 164, 161).
Aa
Black text reads best on this color (7.14:1).
About this color
#4EA4A1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.083 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.021 away. Black text reads best on it, at 7.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.14:1 |
| White text | 2.93:1 |
Values
| HEX | #4EA4A1 |
| RGB | rgb(78, 164, 161) |
| HSL | hsl(178, 36%, 47%) |
| OKLCH | oklch(66.5% 0.083 192.3) |
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 #4EA4A1 | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #4EA4A1 | 7.14:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #4EA4A1 text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #4EA4A1 text on black | 7.14:1 | AAA | Lc -46.1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E1ECEC
oklch(93.5% 0.012 197)
-
Step 200
200
#C9DEDD
oklch(88.5% 0.022 193.3)
-
Step 300
300
#A3C9C7
oklch(80.8% 0.04 192.4)
-
Step 400
400
#6FAEAB
oklch(70.7% 0.065 191.9)
-
Step 500
500 (this color)
#4EA4A1
oklch(66.5% 0.083 192.3)
-
Step 600
600
#178481
oklch(55.7% 0.091 191.9)
-
Step 700
700
#016F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#0C5B59
oklch(42.8% 0.07 192.1)
-
Step 900
900
#164B49
oklch(37.8% 0.055 191.5)
-
Step 950
950
#0F2C2B
oklch(27.1% 0.035 192.2)
#4EA4A1 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) | #9B9DA1 | 0.087 |
| Deuteranopia (no green cones) | #8D92A2 | 0.082 |
| Tritanopia (no blue cones) | #0BA8A3 | 0.030 |
| Achromatopsia (no color) | #979797 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EA4A1
#4EA4A1
oklch(66.5% 0.083 192.3)
- #C17E86
#C17E86
oklch(66.4% 0.084 11.8)
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 #4EA4A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.021
- Dull Teal #5F9E8F ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.035
- Sea #3C9992 ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.041
- Persian Green #2A9D8F ΔE 0.042
- Blue Green #0F9B8E ΔE 0.052
- Greeny Blue #42B395 ΔE 0.053
Use #4EA4A1 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.