#40A42D
Closest named color: Grassy Green (#419C03). oklch(63.6% 0.181 140.8), rgb(64, 164, 45).
Aa
Black text reads best on this color (6.56:1).
About this color
#40A42D is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.181 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.026 away. Black text reads best on it, at 6.56:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.56:1 |
| White text | 3.19:1 |
Values
| HEX | #40A42D |
| RGB | rgb(64, 164, 45) |
| HSL | hsl(110, 57%, 41%) |
| OKLCH | oklch(63.6% 0.181 140.8) |
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 #40A42D | 3.19:1 | AA large text | Lc -64.2 | Content text, not long reading |
| Black text on #40A42D | 6.56:1 | AA | Lc 45.3 | Large or bold text, headings |
| #40A42D text on white | 3.19:1 | AA large text | Lc 58.8 | Large or bold text, headings |
| #40A42D text on black | 6.56:1 | AA | Lc -43.0 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E1EEDE
oklch(93.5% 0.025 139.8)
-
Step 200
200
#C8E2C3
oklch(88.5% 0.05 140.6)
-
Step 300
300
#A2CF99
oklch(80.8% 0.088 140.4)
-
Step 400
400
#6CB65F
oklch(70.7% 0.142 140.7)
-
Step 500
500 (this color)
#40A42D
oklch(63.6% 0.181 140.8)
-
Step 600
600
#218B00
oklch(55.6% 0.182 140.7)
-
Step 700
700
#1A7500
oklch(49.1% 0.161 140.8)
-
Step 800
800
#146000
oklch(42.7% 0.14 140.7)
-
Step 900
900
#135006
oklch(37.8% 0.118 140.9)
-
Step 950
950
#0E2F08
oklch(27.1% 0.075 140.8)
#40A42D 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) | #A89519 | 0.123 |
| Deuteranopia (no green cones) | #9C8D39 | 0.124 |
| Tritanopia (no blue cones) | #319F8D | 0.120 |
| Achromatopsia (no color) | #909090 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A42D
#40A42D
oklch(63.6% 0.181 140.8)
- #BA5FCC
#BA5FCC
oklch(63.5% 0.181 320.8)
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 #40A42D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.026
- Kelly Green #02AB2E ΔE 0.027
- Grass Green #3F9B0B ΔE 0.028
- Mid Green #50A747 ΔE 0.029
- Medium Green #39AD48 ΔE 0.029
- Leaf Green #5CA904 ΔE 0.032
- Grass #5CAC2D ΔE 0.035
- Shamrock #01B44C ΔE 0.045
Use #40A42D 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.