#1FAA42
Closest named color: Medium Green (#39AD48). oklch(64.6% 0.183 146.7), rgb(31, 170, 66).
Aa
Black text reads best on this color (6.88:1).
About this color
#1FAA42 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.183 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.017 away. Black text reads best on it, at 6.88:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 6.88:1 |
| White text | 3.04:1 |
Values
| HEX | #1FAA42 |
| RGB | rgb(31, 170, 66) |
| HSL | hsl(135, 69%, 39%) |
| OKLCH | oklch(64.6% 0.183 146.7) |
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 #1FAA42 | 3.04:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #1FAA42 | 6.88:1 | AA | Lc 47.3 | Large or bold text, headings |
| #1FAA42 text on white | 3.04:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #1FAA42 text on black | 6.88:1 | AA | Lc -45.0 | 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
#C5E3C6
oklch(88.6% 0.05 146)
-
Step 300
300
#9AD19F
oklch(80.9% 0.09 147)
-
Step 400
400
#5DB869
oklch(70.7% 0.143 146.7)
-
Step 500
500 (this color)
#1FAA42
oklch(64.6% 0.183 146.7)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005017
oklch(37.6% 0.113 146.6)
-
Step 950
950
#04300D
oklch(27.1% 0.076 146.5)
#1FAA42 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) | #AC9A37 | 0.141 |
| Deuteranopia (no green cones) | #9D8F4B | 0.141 |
| Tritanopia (no blue cones) | #00A694 | 0.110 |
| Achromatopsia (no color) | #949494 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FAA42
#1FAA42
oklch(64.6% 0.183 146.7)
- #C55FC8
#C55FC8
oklch(64.6% 0.183 326.3)
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 #1FAA42, closest first.
No curated palette has a color within ΔE 0.04 of #1FAA42.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.017
- Kelly Green #02AB2E ΔE 0.020
- Shamrock #01B44C ΔE 0.028
- Mid Green #50A747 ΔE 0.030
- Grass #5CAC2D ΔE 0.039
- Leaf Green #5CA904 ΔE 0.042
- Grassy Green #419C03 ΔE 0.044
- Dark Pastel Green #56AE57 ΔE 0.045
Use #1FAA42 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.