#3FB750
Closest named color: Leafy Green (#51B73B). oklch(69% 0.178 145.7), rgb(63, 183, 80).
Aa
Black text reads best on this color (8.10:1).
About this color
#3FB750 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.178 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.020 away. Black text reads best on it, at 8.10:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 8.10:1 |
| White text | 2.59:1 |
Values
| HEX | #3FB750 |
| RGB | rgb(63, 183, 80) |
| HSL | hsl(129, 49%, 48%) |
| OKLCH | oklch(69% 0.178 145.7) |
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 #3FB750 | 2.59:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #3FB750 | 8.10:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #3FB750 text on white | 2.59:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #3FB750 text on black | 8.10:1 | AAA | Lc -51.7 | 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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DD
oklch(93.6% 0.032 145.3)
-
Step 200
200
#C0E5C1
oklch(88.6% 0.062 145.7)
-
Step 300
300
#91D495
oklch(80.9% 0.111 145.9)
-
Step 400
400 (this color)
#3FB750
oklch(69% 0.178 145.7)
-
Step 500
500
#00A632
oklch(63.1% 0.195 145.7)
-
Step 600
600
#008C29
oklch(55.7% 0.172 145.7)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#00611A
oklch(42.9% 0.132 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#3FB750 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) | #BAA746 | 0.136 |
| Deuteranopia (no green cones) | #AB9D58 | 0.135 |
| Tritanopia (no blue cones) | #1CB3A0 | 0.107 |
| Achromatopsia (no color) | #A1A1A1 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB750
#3FB750
oklch(69% 0.178 145.7)
- #D26FD6
#D26FD6
oklch(69.1% 0.178 325.8)
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 #3FB750, closest first.
No curated palette has a color within ΔE 0.04 of #3FB750.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.020
- Cool Green #33B864 ΔE 0.021
- Shamrock #01B44C ΔE 0.024
- Medium Green #39AD48 ΔE 0.029
- Dark Pastel Green #56AE57 ΔE 0.032
- Shamrock Green #02C14D ΔE 0.033
- Grass #5CAC2D ΔE 0.036
- Dark Mint Green #20C073 ΔE 0.039
Use #3FB750 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.