#3ACFA4
Closest named color: Emerald (#06D6A0). oklch(76.7% 0.138 169), rgb(58, 207, 164).
Aa
Black text reads best on this color (10.64:1).
About this color
#3ACFA4 is a medium-light, moderately saturated green. In OKLCH its lightness is 77%, its chroma 0.138 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.025 away. Black text reads best on it, at 10.64:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.64:1 |
| White text | 1.97:1 |
Values
| HEX | #3ACFA4 |
| RGB | rgb(58, 207, 164) |
| HSL | hsl(163, 61%, 52%) |
| OKLCH | oklch(76.7% 0.138 169) |
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 #3ACFA4 | 1.97:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #3ACFA4 | 10.64:1 | AAA | Lc 66.3 | Content text, not long reading |
| #3ACFA4 text on white | 1.97:1 | Fails | Lc 37.7 | Non-text elements, placeholder text |
| #3ACFA4 text on black | 10.64:1 | AAA | Lc -64.8 | 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
#EAFAF3
oklch(97.1% 0.019 167.9)
-
Step 100
100
#D1F3E5
oklch(93.6% 0.04 168.7)
-
Step 200
200
#A6EAD0
oklch(88.4% 0.077 168.8)
-
Step 300
300 (this color)
#3ACFA4
oklch(76.7% 0.138 169)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
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)
#3ACFA4 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) | #C9C1A2 | 0.140 |
| Deuteranopia (no green cones) | #B6B3A7 | 0.135 |
| Tritanopia (no blue cones) | #00D0C3 | 0.043 |
| Achromatopsia (no color) | #B8B8B8 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3ACFA4
#3ACFA4
oklch(76.7% 0.138 169)
- #F48DC1
#F48DC1
oklch(76.8% 0.138 349.2)
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 #3ACFA4, closest first.
No curated palette has a color within ΔE 0.04 of #3ACFA4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.025
- Medium Aquamarine #66CDAA ΔE 0.030
- Greenblue #23C48B ΔE 0.043
- Green Blue #01C08D ΔE 0.052
- Seafoam Blue #78D1B6 ΔE 0.053
- Medium Turquoise #48D1CC ΔE 0.058
- Seaweed #18D17B ΔE 0.060
- Pale Teal #82CBB2 ΔE 0.060
Use #3ACFA4 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.