#40BD5B
Closest named color: Cool Green (#33B864). oklch(70.7% 0.176 147.4), rgb(64, 189, 91).
Aa
Black text reads best on this color (8.64:1).
About this color
#40BD5B is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.176 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.021 away. Black text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #40BD5B |
| RGB | rgb(64, 189, 91) |
| HSL | hsl(133, 49%, 50%) |
| OKLCH | oklch(70.7% 0.176 147.4) |
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 #40BD5B | 2.42:1 | Fails | Lc -52.4 | Large or bold text, headings |
| Black text on #40BD5B | 8.64:1 | AAA | Lc 56.6 | Large or bold text, headings |
| #40BD5B text on white | 2.42:1 | Fails | Lc 47.4 | Large or bold text, headings |
| #40BD5B text on black | 8.64:1 | AAA | Lc -54.6 | 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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DDF0DE
oklch(93.6% 0.031 146.8)
-
Step 200
200
#BFE5C2
oklch(88.5% 0.062 147.2)
-
Step 300
300
#8FD497
oklch(80.8% 0.11 147.3)
-
Step 400
400 (this color)
#40BD5B
oklch(70.7% 0.176 147.4)
-
Step 500
500
#00A63E
oklch(63.2% 0.186 147.4)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#007529
oklch(49% 0.144 147.3)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#00300C
oklch(26.9% 0.079 147.3)
#40BD5B 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) | #BFAD52 | 0.138 |
| Deuteranopia (no green cones) | #B0A262 | 0.138 |
| Tritanopia (no blue cones) | #13B9A6 | 0.102 |
| Achromatopsia (no color) | #A6A6A6 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40BD5B
#40BD5B
oklch(70.7% 0.176 147.4)
- #D974D8
#D974D8
oklch(70.7% 0.176 327.6)
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 #40BD5B, closest first.
No curated palette has a color within ΔE 0.04 of #40BD5B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.021
- Algae Green #21C36F ΔE 0.023
- Dark Mint Green #20C073 ΔE 0.026
- Dark Mint #48C072 ΔE 0.028
- Leafy Green #51B73B ΔE 0.028
- Shamrock Green #02C14D ΔE 0.029
- Shamrock #01B44C ΔE 0.038
- Turtle Green #75B84F ΔE 0.041
Use #40BD5B 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.