#3FA651
Closest named color: Mid Green (#50A747). oklch(64.5% 0.155 146.8), rgb(63, 166, 81).
Aa
Black text reads best on this color (6.78:1).
About this color
#3FA651 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.155 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.016 away. Black text reads best on it, at 6.78:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #3FA651 |
| RGB | rgb(63, 166, 81) |
| HSL | hsl(130, 45%, 45%) |
| OKLCH | oklch(64.5% 0.155 146.8) |
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 #3FA651 | 3.09:1 | AA large text | Lc -62.9 | Content text, not long reading |
| Black text on #3FA651 | 6.78:1 | AA | Lc 46.5 | Large or bold text, headings |
| #3FA651 text on white | 3.09:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #3FA651 text on black | 6.78:1 | AA | Lc -44.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEE1
oklch(93.6% 0.022 145.4)
-
Step 200
200
#C8E1C9
oklch(88.5% 0.042 146.3)
-
Step 300
300
#A1CEA4
oklch(80.8% 0.075 146.6)
-
Step 400
400
#6AB573
oklch(70.7% 0.121 146.9)
-
Step 500
500 (this color)
#3FA651
oklch(64.5% 0.155 146.8)
-
Step 600
600
#008B30
oklch(55.5% 0.165 146.9)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#104F1E
oklch(37.7% 0.101 146.9)
-
Step 950
950
#0C2E12
oklch(26.8% 0.064 146.9)
#3FA651 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) | #A8984A | 0.121 |
| Deuteranopia (no green cones) | #9B8F57 | 0.120 |
| Tritanopia (no blue cones) | #25A292 | 0.092 |
| Achromatopsia (no color) | #929292 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA651
#3FA651
oklch(64.5% 0.155 146.8)
- #BE68BF
#BE68BF
oklch(64.6% 0.156 326.8)
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 #3FA651, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.016
- Medium Green #39AD48 ΔE 0.025
- Muted Green #5FA052 ΔE 0.030
- Seaweed Green #35AD6B ΔE 0.031
- Dark Pastel Green #56AE57 ΔE 0.032
- Jade Green #2BAF6A ΔE 0.032
- Fern #63A950 ΔE 0.032
- Algae #54AC68 ΔE 0.037
Use #3FA651 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.