#40A855
Closest named color: Mid Green (#50A747). oklch(65.1% 0.154 147.5), rgb(64, 168, 85).
Aa
Black text reads best on this color (6.95:1).
About this color
#40A855 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.154 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.016 away. Black text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.95:1 |
| White text | 3.02:1 |
Values
| HEX | #40A855 |
| RGB | rgb(64, 168, 85) |
| HSL | hsl(132, 45%, 45%) |
| OKLCH | oklch(65.1% 0.154 147.5) |
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 #40A855 | 3.02:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #40A855 | 6.95:1 | AA | Lc 47.4 | Large or bold text, headings |
| #40A855 text on white | 3.02:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #40A855 text on black | 6.95:1 | AA | Lc -45.2 | 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
#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
#A1CEA5
oklch(80.8% 0.074 147.2)
-
Step 400
400
#6AB574
oklch(70.7% 0.12 147.3)
-
Step 500
500 (this color)
#40A855
oklch(65.1% 0.154 147.5)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#0F4F1F
oklch(37.6% 0.1 147.4)
-
Step 950
950
#0C2E13
oklch(26.8% 0.063 147.6)
#40A855 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) | #AA9A4E | 0.122 |
| Deuteranopia (no green cones) | #9D915B | 0.121 |
| Tritanopia (no blue cones) | #25A595 | 0.089 |
| Achromatopsia (no color) | #949494 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A855
#40A855
oklch(65.1% 0.154 147.5)
- #C06ABF
#C06ABF
oklch(65.1% 0.154 327.6)
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 #40A855, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.016
- Medium Green #39AD48 ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.025
- Dark Pastel Green #56AE57 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.026
- Fern #63A950 ΔE 0.029
- Algae #54AC68 ΔE 0.031
- Muted Green #5FA052 ΔE 0.031
Use #40A855 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.