#3FC169
Closest named color: Algae Green (#21C36F). oklch(72% 0.169 150.3), rgb(63, 193, 105).
Aa
Black text reads best on this color (9.04:1).
About this color
#3FC169 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.169 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.012 away. Black text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.04:1 |
| White text | 2.32:1 |
Values
| HEX | #3FC169 |
| RGB | rgb(63, 193, 105) |
| HSL | hsl(139, 51%, 50%) |
| OKLCH | oklch(72% 0.169 150.3) |
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 #3FC169 | 2.32:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #3FC169 | 9.04:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #3FC169 text on white | 2.32:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #3FC169 text on black | 9.04:1 | AAA | Lc -56.7 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DCF0DF
oklch(93.6% 0.031 149.8)
-
Step 200
200
#BEE5C5
oklch(88.5% 0.06 150.3)
-
Step 300
300
#8DD49D
oklch(80.8% 0.105 150.6)
-
Step 400
400 (this color)
#3FC169
oklch(72% 0.169 150.3)
-
Step 500
500
#00A54D
oklch(63.1% 0.172 150.4)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#00602A
oklch(42.8% 0.117 150.4)
-
Step 900
900
#005022
oklch(37.7% 0.103 150.5)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#3FC169 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) | #C2B162 | 0.140 |
| Deuteranopia (no green cones) | #B2A66F | 0.138 |
| Tritanopia (no blue cones) | #00BEAC | 0.093 |
| Achromatopsia (no color) | #AAAAAA | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC169
#3FC169
oklch(72% 0.169 150.3)
- #DE79D6
#DE79D6
oklch(72% 0.169 330.1)
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 #3FC169, closest first.
No curated palette has a color within ΔE 0.04 of #3FC169.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.012
- Dark Mint #48C072 ΔE 0.014
- Dark Mint Green #20C073 ΔE 0.017
- Cool Green #33B864 ΔE 0.027
- Shamrock Green #02C14D ΔE 0.039
- Greenblue #23C48B ΔE 0.040
- Soft Green #6FC276 ΔE 0.042
- Boring Green #63B365 ΔE 0.043
Use #3FC169 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.