#4EC2A2
Closest named color: Medium Aquamarine (#66CDAA). oklch(73.9% 0.115 171.9), rgb(78, 194, 162).
Aa
Black text reads best on this color (9.56:1).
About this color
#4EC2A2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.115 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.038 away. Black text reads best on it, at 9.56:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #4EC2A2 |
| RGB | rgb(78, 194, 162) |
| HSL | hsl(163, 49%, 53%) |
| OKLCH | oklch(73.9% 0.115 171.9) |
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 #4EC2A2 | 2.19:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #4EC2A2 | 9.56:1 | AAA | Lc 61.0 | Content text, not long reading |
| #4EC2A2 text on white | 2.19:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #4EC2A2 text on black | 9.56:1 | AAA | Lc -59.2 | 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 400.
-
Step 50
50
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DDEFE8
oklch(93.7% 0.021 170.6)
-
Step 200
200
#C0E2D6
oklch(88.5% 0.039 172)
-
Step 300
300
#90D0BB
oklch(80.8% 0.072 172)
-
Step 400
400 (this color)
#4EC2A2
oklch(73.9% 0.115 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#4EC2A2 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) | #BCB6A0 | 0.118 |
| Deuteranopia (no green cones) | #ACAAA4 | 0.114 |
| Tritanopia (no blue cones) | #00C4B9 | 0.036 |
| Achromatopsia (no color) | #AFAFAF | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EC2A2
#4EC2A2
oklch(73.9% 0.115 171.9)
- #E28BB2
#E28BB2
oklch(73.8% 0.116 351.9)
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 #4EC2A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.038
- Topaz #13BBAF ΔE 0.040
- Greenblue #23C48B ΔE 0.043
- Green Blue #01C08D ΔE 0.043
- Greeny Blue #42B395 ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.058
- Dark Sea Green #8FBC8F ΔE 0.058
- Light Sea Green #20B2AA ΔE 0.059
Use #4EC2A2 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.