#3FD19D
Closest named color: Emerald (#06D6A0). oklch(77.1% 0.144 164.7), rgb(63, 209, 157).
Aa
Black text reads best on this color (10.81:1).
About this color
#3FD19D is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.144 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.017 away. Black text reads best on it, at 10.81:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.81:1 |
| White text | 1.94:1 |
Values
| HEX | #3FD19D |
| RGB | rgb(63, 209, 157) |
| HSL | hsl(159, 61%, 53%) |
| OKLCH | oklch(77.1% 0.144 164.7) |
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 #3FD19D | 1.94:1 | Fails | Lc -41.2 | Non-text elements, placeholder text |
| Black text on #3FD19D | 10.81:1 | AAA | Lc 67.1 | Content text, not long reading |
| #3FD19D text on white | 1.94:1 | Fails | Lc 36.8 | Non-text elements, placeholder text |
| #3FD19D text on black | 10.81:1 | AAA | Lc -65.6 | 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
#EAFAF2
oklch(97.1% 0.02 164.6)
-
Step 100
100
#D1F3E3
oklch(93.5% 0.041 165.4)
-
Step 200
200
#A7EACC
oklch(88.4% 0.079 165.1)
-
Step 300
300 (this color)
#3FD19D
oklch(77.1% 0.144 164.7)
-
Step 400
400
#00BD89
oklch(70.7% 0.149 164.9)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008861
oklch(55.5% 0.117 164.6)
-
Step 700
700
#007351
oklch(49.2% 0.104 164.3)
-
Step 800
800
#005E42
oklch(42.7% 0.09 164.7)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#3FD19D 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) | #CDC29A | 0.142 |
| Deuteranopia (no green cones) | #BAB4A0 | 0.138 |
| Tritanopia (no blue cones) | #00D1C3 | 0.053 |
| Achromatopsia (no color) | #BABABA | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FD19D
#3FD19D
oklch(77.1% 0.144 164.7)
- #F48DCA
#F48DCA
oklch(77.1% 0.144 344.6)
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 #3FD19D, closest first.
No curated palette has a color within ΔE 0.04 of #3FD19D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.017
- Medium Aquamarine #66CDAA ΔE 0.036
- Greenblue #23C48B ΔE 0.043
- Seaweed #18D17B ΔE 0.049
- Aqua Green #12E193 ΔE 0.052
- Soft Green #6FC276 ΔE 0.055
- Green Blue #01C08D ΔE 0.055
- Seafoam Blue #78D1B6 ΔE 0.058
Use #3FD19D 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.