#3FB125
Closest named color: Leaf Green (#5CA904). oklch(67% 0.201 140.6), rgb(63, 177, 37).
Aa
Black text reads best on this color (7.52:1).
About this color
#3FB125 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.201 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.027 away. Black text reads best on it, at 7.52:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.201) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.52:1 |
| White text | 2.78:1 |
Values
| HEX | #3FB125 |
| RGB | rgb(63, 177, 37) |
| HSL | hsl(109, 65%, 42%) |
| OKLCH | oklch(67% 0.201 140.6) |
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 #3FB125 | 2.78:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #3FB125 | 7.52:1 | AAA | Lc 50.8 | Large or bold text, headings |
| #3FB125 text on white | 2.78:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #3FB125 text on black | 7.52:1 | AAA | Lc -48.6 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DDF0DA
oklch(93.5% 0.036 141.4)
-
Step 200
200
#C1E5BA
oklch(88.5% 0.069 140.5)
-
Step 300
300
#93D587
oklch(81% 0.126 140.7)
-
Step 400
400 (this color)
#3FB125
oklch(67% 0.201 140.6)
-
Step 500
500
#2BA500
oklch(63.1% 0.206 140.6)
-
Step 600
600
#238B00
oklch(55.6% 0.181 140.6)
-
Step 700
700
#1C7500
oklch(49.2% 0.16 140.5)
-
Step 800
800
#156000
oklch(42.7% 0.139 140.6)
-
Step 900
900
#105000
oklch(37.7% 0.123 140.6)
-
Step 950
950
#063000
oklch(27% 0.088 140.7)
#3FB125 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) | #B6A000 | 0.136 |
| Deuteranopia (no green cones) | #A89735 | 0.136 |
| Tritanopia (no blue cones) | #2CAB97 | 0.134 |
| Achromatopsia (no color) | #9B9B9B | 0.202 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB125
#3FB125
oklch(67% 0.201 140.6)
- #CA63DF
#CA63DF
oklch(67% 0.201 320.6)
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 #3FB125, closest first.
No curated palette has a color within ΔE 0.04 of #3FB125.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.027
- Grass #5CAC2D ΔE 0.027
- Leafy Green #51B73B ΔE 0.027
- Shamrock #01B44C ΔE 0.029
- Kelly Green #02AB2E ΔE 0.030
- Medium Green #39AD48 ΔE 0.032
- Frog Green #58BC08 ΔE 0.041
- Shamrock Green #02C14D ΔE 0.046
Use #3FB125 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.