#40A327
Closest named color: Grassy Green (#419C03). oklch(63.3% 0.183 140.2), rgb(64, 163, 39).
Aa
Black text reads best on this color (6.48:1).
About this color
#40A327 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.183 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.022 away. Black text reads best on it, at 6.48:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #40A327 |
| RGB | rgb(64, 163, 39) |
| HSL | hsl(108, 61%, 40%) |
| OKLCH | oklch(63.3% 0.183 140.2) |
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 #40A327 | 3.23:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #40A327 | 6.48:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #40A327 text on white | 3.23:1 | AA large text | Lc 59.2 | Large or bold text, headings |
| #40A327 text on black | 6.48:1 | AA | Lc -42.5 | 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
#A2CF98
oklch(80.8% 0.089 140)
-
Step 400
400
#6DB65D
oklch(70.7% 0.143 140.1)
-
Step 500
500 (this color)
#40A327
oklch(63.3% 0.183 140.2)
-
Step 600
600
#278B00
oklch(55.7% 0.18 140.1)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#186000
oklch(42.8% 0.138 140.2)
-
Step 900
900
#145003
oklch(37.8% 0.12 140.3)
-
Step 950
950
#0E2F07
oklch(27.1% 0.076 140.4)
#40A327 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) | #A8940C | 0.124 |
| Deuteranopia (no green cones) | #9B8C34 | 0.123 |
| Tritanopia (no blue cones) | #339E8B | 0.122 |
| Achromatopsia (no color) | #8F8F8F | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A327
#40A327
oklch(63.3% 0.183 140.2)
- #B95ECD
#B95ECD
oklch(63.3% 0.183 320.1)
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 #40A327, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.022
- Grass Green #3F9B0B ΔE 0.024
- Kelly Green #02AB2E ΔE 0.028
- Mid Green #50A747 ΔE 0.033
- Leaf Green #5CA904 ΔE 0.033
- Medium Green #39AD48 ΔE 0.033
- Grass #5CAC2D ΔE 0.038
- Shamrock #01B44C ΔE 0.049
Use #40A327 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.