#40A656
Closest named color: Mid Green (#50A747). oklch(64.6% 0.15 147.9), rgb(64, 166, 86).
Aa
Black text reads best on this color (6.80:1).
About this color
#40A656 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.150 and its hue 148°. 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 6.80:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #40A656 |
| RGB | rgb(64, 166, 86) |
| HSL | hsl(133, 44%, 45%) |
| OKLCH | oklch(64.6% 0.15 147.9) |
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 #40A656 | 3.08:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #40A656 | 6.80:1 | AA | Lc 46.6 | Large or bold text, headings |
| #40A656 text on white | 3.08:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #40A656 text on black | 6.80:1 | AA | Lc -44.3 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C8E1CA
oklch(88.5% 0.041 147.5)
-
Step 300
300
#A1CEA6
oklch(80.9% 0.073 147.8)
-
Step 400
400
#6BB576
oklch(70.8% 0.118 147.7)
-
Step 500
500 (this color)
#40A656
oklch(64.6% 0.15 147.9)
-
Step 600
600
#008B35
oklch(55.5% 0.161 147.8)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#006022
oklch(42.6% 0.124 147.8)
-
Step 900
900
#104F21
oklch(37.7% 0.098 148.1)
-
Step 950
950
#0D2E14
oklch(26.9% 0.061 148)
#40A656 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) | #A89850 | 0.121 |
| Deuteranopia (no green cones) | #9B8F5C | 0.119 |
| Tritanopia (no blue cones) | #25A393 | 0.086 |
| Achromatopsia (no color) | #939393 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A656
#40A656
oklch(64.6% 0.15 147.9)
- #BE69BC
#BE69BC
oklch(64.6% 0.151 328)
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 #40A656, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.019
- Seaweed Green #35AD6B ΔE 0.027
- Muted Green #5FA052 ΔE 0.028
- Jade Green #2BAF6A ΔE 0.029
- Medium Green #39AD48 ΔE 0.029
- Dark Pastel Green #56AE57 ΔE 0.031
- Fern #63A950 ΔE 0.032
- Algae #54AC68 ΔE 0.032
Use #40A656 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.