#40AC2F
Closest named color: Medium Green (#39AD48). oklch(65.8% 0.189 141.2), rgb(64, 172, 47).
Aa
Black text reads best on this color (7.16:1).
About this color
#40AC2F is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.189 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.020 away. Black text reads best on it, at 7.16:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.189) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.16:1 |
| White text | 2.93:1 |
Values
| HEX | #40AC2F |
| RGB | rgb(64, 172, 47) |
| HSL | hsl(112, 57%, 43%) |
| OKLCH | oklch(65.8% 0.189 141.2) |
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 #40AC2F | 2.93:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #40AC2F | 7.16:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #40AC2F text on white | 2.93:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #40AC2F text on black | 7.16:1 | AAA | Lc -46.5 | 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
#F1F8F0
oklch(97.2% 0.013 141.8)
-
Step 100
100
#E0EFDE
oklch(93.6% 0.028 142)
-
Step 200
200
#C7E2C3
oklch(88.5% 0.051 141.6)
-
Step 300
300
#A0D098
oklch(80.9% 0.092 141)
-
Step 400
400
#68B75C
oklch(70.7% 0.148 141.1)
-
Step 500
500 (this color)
#40AC2F
oklch(65.8% 0.189 141.2)
-
Step 600
600
#1C8B00
oklch(55.5% 0.183 141.2)
-
Step 700
700
#167500
oklch(49% 0.162 141.2)
-
Step 800
800
#106000
oklch(42.6% 0.141 141.2)
-
Step 900
900
#0D5001
oklch(37.6% 0.123 141.1)
-
Step 950
950
#0B2F06
oklch(26.9% 0.078 141.2)
#40AC2F 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) | #B09C19 | 0.130 |
| Deuteranopia (no green cones) | #A3933C | 0.131 |
| Tritanopia (no blue cones) | #2EA794 | 0.125 |
| Achromatopsia (no color) | #979797 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AC2F
#40AC2F
oklch(65.8% 0.189 141.2)
- #C463D6
#C463D6
oklch(65.8% 0.189 321.2)
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 #40AC2F, closest first.
No curated palette has a color within ΔE 0.04 of #40AC2F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.020
- Grass #5CAC2D ΔE 0.022
- Leaf Green #5CA904 ΔE 0.023
- Kelly Green #02AB2E ΔE 0.023
- Shamrock #01B44C ΔE 0.029
- Mid Green #50A747 ΔE 0.032
- Leafy Green #51B73B ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.044
Use #40AC2F 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.