#40B24E
Closest named color: Medium Green (#39AD48). oklch(67.7% 0.173 145.4), rgb(64, 178, 78).
Aa
Black text reads best on this color (7.69:1).
About this color
#40B24E is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.173 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.016 away. Black text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #40B24E |
| RGB | rgb(64, 178, 78) |
| HSL | hsl(127, 47%, 47%) |
| OKLCH | oklch(67.7% 0.173 145.4) |
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 #40B24E | 2.72:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #40B24E | 7.69:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #40B24E text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #40B24E text on black | 7.69:1 | AAA | Lc -49.4 | 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 400.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DDF0DD
oklch(93.6% 0.032 145.3)
-
Step 200
200
#C1E4C1
oklch(88.4% 0.06 145)
-
Step 300
300
#93D496
oklch(81% 0.109 145.6)
-
Step 400
400 (this color)
#40B24E
oklch(67.7% 0.173 145.4)
-
Step 500
500
#00A630
oklch(63.1% 0.196 145.4)
-
Step 600
600
#008C27
oklch(55.7% 0.173 145.4)
-
Step 700
700
#00761F
oklch(49.2% 0.153 145.3)
-
Step 800
800
#006118
oklch(42.8% 0.133 145.4)
-
Step 900
900
#005113
oklch(37.8% 0.117 145.5)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#40B24E 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) | #B5A244 | 0.132 |
| Deuteranopia (no green cones) | #A79956 | 0.131 |
| Tritanopia (no blue cones) | #23AE9C | 0.105 |
| Achromatopsia (no color) | #9D9D9D | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B24E
#40B24E
oklch(67.7% 0.173 145.4)
- #CB6CD0
#CB6CD0
oklch(67.5% 0.173 325.4)
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 #40B24E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.016
- Shamrock #01B44C ΔE 0.021
- Dark Pastel Green #56AE57 ΔE 0.024
- Cool Green #33B864 ΔE 0.024
- Leafy Green #51B73B ΔE 0.027
- Grass #5CAC2D ΔE 0.029
- Mid Green #50A747 ΔE 0.031
- Jade Green #2BAF6A ΔE 0.036
Use #40B24E 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.