#3FA23A
Closest named color: Mid Green (#50A747). oklch(63.1% 0.17 142.5), rgb(63, 162, 58).
Aa
Black text reads best on this color (6.44:1).
About this color
#3FA23A is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.170 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.024 away. Black text reads best on it, at 6.44:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.44:1 |
| White text | 3.26:1 |
Values
| HEX | #3FA23A |
| RGB | rgb(63, 162, 58) |
| HSL | hsl(117, 47%, 43%) |
| OKLCH | oklch(63.1% 0.17 142.5) |
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 #3FA23A | 3.26:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #3FA23A | 6.44:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #3FA23A text on white | 3.26:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #3FA23A text on black | 6.44:1 | AA | Lc -42.2 | 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
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C6
oklch(88.4% 0.045 143.2)
-
Step 300
300
#A2CF9E
oklch(81% 0.083 142.7)
-
Step 400
400
#6CB567
oklch(70.6% 0.132 142.7)
-
Step 500
500 (this color)
#3FA23A
oklch(63.1% 0.17 142.5)
-
Step 600
600
#0D8C0B
oklch(55.6% 0.184 142.5)
-
Step 700
700
#007600
oklch(49% 0.167 142.5)
-
Step 800
800
#056105
oklch(42.8% 0.142 142.6)
-
Step 900
900
#144F11
oklch(37.6% 0.11 142.4)
-
Step 950
950
#0E2F0C
oklch(27.1% 0.071 142.4)
#3FA23A 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) | #A6942E | 0.121 |
| Deuteranopia (no green cones) | #998B43 | 0.121 |
| Tritanopia (no blue cones) | #2E9D8C | 0.109 |
| Achromatopsia (no color) | #8E8E8E | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA23A
#3FA23A
oklch(63.1% 0.17 142.5)
- #B861C5
#B861C5
oklch(63.1% 0.17 322.3)
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 #3FA23A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.024
- Grassy Green #419C03 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.030
- Medium Green #39AD48 ΔE 0.031
- Kelly Green #02AB2E ΔE 0.036
- Grass #5CAC2D ΔE 0.042
- Leaf Green #5CA904 ΔE 0.042
- Muted Green #5FA052 ΔE 0.042
Use #3FA23A 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.