#4FC3A2
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.2% 0.116 171.3), rgb(79, 195, 162).
Aa
Black text reads best on this color (9.66:1).
About this color
#4FC3A2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.116 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.036 away. Black text reads best on it, at 9.66:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.66:1 |
| White text | 2.17:1 |
Values
| HEX | #4FC3A2 |
| RGB | rgb(79, 195, 162) |
| HSL | hsl(163, 49%, 54%) |
| OKLCH | oklch(74.2% 0.116 171.3) |
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 #4FC3A2 | 2.17:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #4FC3A2 | 9.66:1 | AAA | Lc 61.5 | Content text, not long reading |
| #4FC3A2 text on white | 2.17:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #4FC3A2 text on black | 9.66:1 | AAA | Lc -59.7 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
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)
#4FC3A2
oklch(74.2% 0.116 171.3)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#4FC3A2 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) | #BEB7A0 | 0.120 |
| Deuteranopia (no green cones) | #ADABA4 | 0.114 |
| Tritanopia (no blue cones) | #00C4B9 | 0.037 |
| Achromatopsia (no color) | #B0B0B0 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC3A2
#4FC3A2
oklch(74.2% 0.116 171.3)
- #E38CB4
#E38CB4
oklch(74.2% 0.116 351.2)
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 #4FC3A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.036
- Greenblue #23C48B ΔE 0.042
- Topaz #13BBAF ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Greeny Blue #42B395 ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.056
- Emerald #06D6A0 ΔE 0.057
- Dark Sea Green #8FBC8F ΔE 0.058
Use #4FC3A2 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.