#4EA591
Closest named color: Dull Teal (#5F9E8F). oklch(66.2% 0.09 176.2), rgb(78, 165, 145).
Aa
Black text reads best on this color (7.11:1).
About this color
#4EA591 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.090 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.023 away. Black text reads best on it, at 7.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.11:1 |
| White text | 2.95:1 |
Values
| HEX | #4EA591 |
| RGB | rgb(78, 165, 145) |
| HSL | hsl(166, 36%, 48%) |
| OKLCH | oklch(66.2% 0.09 176.2) |
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 #4EA591 | 2.95:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #4EA591 | 7.11:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #4EA591 text on white | 2.95:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #4EA591 text on black | 7.11:1 | AAA | Lc -46.0 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A4CAC0
oklch(80.9% 0.043 177.4)
-
Step 400
400
#6FAF9F
oklch(70.6% 0.07 176.6)
-
Step 500
500 (this color)
#4EA591
oklch(66.2% 0.09 176.2)
-
Step 600
600
#198671
oklch(55.7% 0.098 175.7)
-
Step 700
700
#03715F
oklch(49.1% 0.091 176.4)
-
Step 800
800
#0D5C4E
oklch(42.7% 0.075 177)
-
Step 900
900
#174C40
oklch(37.8% 0.059 175.1)
-
Step 950
950
#0F2C26
oklch(26.9% 0.037 177.8)
#4EA591 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) | #A09C90 | 0.095 |
| Deuteranopia (no green cones) | #929292 | 0.090 |
| Tritanopia (no blue cones) | #22A79F | 0.028 |
| Achromatopsia (no color) | #969696 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EA591
#4EA591
oklch(66.2% 0.09 176.2)
- #BF7B94
#BF7B94
oklch(66.1% 0.09 356.2)
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 #4EA591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.029
- Persian Green #2A9D8F ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.039
- Greeny Blue #42B395 ΔE 0.039
- Sea #3C9992 ΔE 0.041
- Tea #65AB7C ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.044
Use #4EA591 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.