#1FAC3F
Closest named color: Kelly Green (#02AB2E). oklch(65.1% 0.188 146.1), rgb(31, 172, 63).
Aa
Black text reads best on this color (7.03:1).
About this color
#1FAC3F is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.188 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.016 away. Black text reads best on it, at 7.03:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #1FAC3F |
| RGB | rgb(31, 172, 63) |
| HSL | hsl(134, 69%, 40%) |
| OKLCH | oklch(65.1% 0.188 146.1) |
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 #1FAC3F | 2.98:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #1FAC3F | 7.03:1 | AAA | Lc 48.1 | Large or bold text, headings |
| #1FAC3F text on white | 2.98:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #1FAC3F text on black | 7.03:1 | AAA | Lc -45.9 | 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 500.
-
Step 50
50
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C5
oklch(88.5% 0.052 146)
-
Step 300
300
#9AD19D
oklch(80.9% 0.092 146)
-
Step 400
400
#5CB866
oklch(70.6% 0.147 146.1)
-
Step 500
500 (this color)
#1FAC3F
oklch(65.1% 0.188 146.1)
-
Step 600
600
#008C2B
oklch(55.7% 0.17 146)
-
Step 700
700
#007623
oklch(49.2% 0.15 146)
-
Step 800
800
#00601B
oklch(42.6% 0.13 146.1)
-
Step 900
900
#005115
oklch(37.8% 0.116 146)
-
Step 950
950
#03300C
oklch(27.1% 0.078 146.3)
#1FAC3F 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) | #AF9C32 | 0.143 |
| Deuteranopia (no green cones) | #9F9149 | 0.143 |
| Tritanopia (no blue cones) | #00A895 | 0.114 |
| Achromatopsia (no color) | #959595 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FAC3F
#1FAC3F
oklch(65.1% 0.188 146.1)
- #C85FCC
#C85FCC
oklch(65.2% 0.188 326.1)
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 #1FAC3F, closest first.
No curated palette has a color within ΔE 0.04 of #1FAC3F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.016
- Medium Green #39AD48 ΔE 0.016
- Shamrock #01B44C ΔE 0.023
- Mid Green #50A747 ΔE 0.033
- Grass #5CAC2D ΔE 0.037
- Leaf Green #5CA904 ΔE 0.040
- Dark Pastel Green #56AE57 ΔE 0.046
- Leafy Green #51B73B ΔE 0.046
Use #1FAC3F 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.