#40A53B
Closest named color: Mid Green (#50A747). oklch(64% 0.172 142.5), rgb(64, 165, 59).
Aa
Black text reads best on this color (6.66:1).
About this color
#40A53B is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.172 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.019 away. Black text reads best on it, at 6.66:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.66:1 |
| White text | 3.15:1 |
Values
| HEX | #40A53B |
| RGB | rgb(64, 165, 59) |
| HSL | hsl(117, 47%, 44%) |
| OKLCH | oklch(64% 0.172 142.5) |
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 #40A53B | 3.15:1 | AA large text | Lc -63.6 | Content text, not long reading |
| Black text on #40A53B | 6.66:1 | AA | Lc 45.8 | Large or bold text, headings |
| #40A53B text on white | 3.15:1 | AA large text | Lc 58.2 | Large or bold text, headings |
| #40A53B text on black | 6.66:1 | AA | Lc -43.5 | 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
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E2C5
oklch(88.6% 0.048 142.3)
-
Step 300
300
#A1CF9D
oklch(80.9% 0.084 142.7)
-
Step 400
400
#6BB666
oklch(70.8% 0.135 142.7)
-
Step 500
500 (this color)
#40A53B
oklch(64% 0.172 142.5)
-
Step 600
600
#058C05
oklch(55.5% 0.187 142.5)
-
Step 700
700
#007600
oklch(49% 0.167 142.5)
-
Step 800
800
#026102
oklch(42.7% 0.144 142.5)
-
Step 900
900
#124F10
oklch(37.5% 0.112 142.6)
-
Step 950
950
#0D2F0C
oklch(27.1% 0.071 142.8)
#40A53B 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) | #A9962E | 0.124 |
| Deuteranopia (no green cones) | #9C8E44 | 0.122 |
| Tritanopia (no blue cones) | #2EA08F | 0.111 |
| Achromatopsia (no color) | #919191 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A53B
#40A53B
oklch(64% 0.172 142.5)
- #BC63C8
#BC63C8
oklch(64.1% 0.171 322.7)
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 #40A53B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.019
- Medium Green #39AD48 ΔE 0.023
- Kelly Green #02AB2E ΔE 0.032
- Grass #5CAC2D ΔE 0.034
- Grassy Green #419C03 ΔE 0.035
- Grass Green #3F9B0B ΔE 0.036
- Leaf Green #5CA904 ΔE 0.036
- Fern #63A950 ΔE 0.042
Use #40A53B 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.