#4FCAA4
Closest named color: Medium Aquamarine (#66CDAA). oklch(76% 0.123 169.3), rgb(79, 202, 164).
Aa
Black text reads best on this color (10.31:1).
About this color
#4FCAA4 is a medium-light, moderately saturated green. In OKLCH its lightness is 76%, its chroma 0.123 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.022 away. Black text reads best on it, at 10.31:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.31:1 |
| White text | 2.03:1 |
Values
| HEX | #4FCAA4 |
| RGB | rgb(79, 202, 164) |
| HSL | hsl(161, 54%, 55%) |
| OKLCH | oklch(76% 0.123 169.3) |
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 #4FCAA4 | 2.03:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #4FCAA4 | 10.31:1 | AAA | Lc 64.6 | Content text, not long reading |
| #4FCAA4 text on white | 2.03:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #4FCAA4 text on black | 10.31:1 | AAA | Lc -63.0 | Content text, not long reading |
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 300.
-
Step 50
50
#EBF9F4
oklch(97% 0.016 172.7)
-
Step 100
100
#D4F2E6
oklch(93.6% 0.035 169.5)
-
Step 200
200
#ACE8D2
oklch(88.4% 0.068 170.1)
-
Step 300
300 (this color)
#4FCAA4
oklch(76% 0.123 169.3)
-
Step 400
400
#00BC92
oklch(70.7% 0.141 169.4)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#4FCAA4 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) | #C5BDA2 | 0.126 |
| Deuteranopia (no green cones) | #B3B0A7 | 0.121 |
| Tritanopia (no blue cones) | #00CBBF | 0.041 |
| Achromatopsia (no color) | #B6B6B6 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FCAA4
#4FCAA4
oklch(76% 0.123 169.3)
- #EB8FBD
#EB8FBD
oklch(75.9% 0.124 349.1)
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 #4FCAA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.022
- Emerald #06D6A0 ΔE 0.041
- Greenblue #23C48B ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.047
- Pale Teal #82CBB2 ΔE 0.050
- Green Blue #01C08D ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.054
- Soft Green #6FC276 ΔE 0.057
Use #4FCAA4 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.