#40AA6D
Closest named color: Seaweed Green (#35AD6B). oklch(66.1% 0.134 154.8), rgb(64, 170, 109).
Aa
Black text reads best on this color (7.18:1).
About this color
#40AA6D is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.134 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.011 away. Black text reads best on it, at 7.18:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.18:1 |
| White text | 2.92:1 |
Values
| HEX | #40AA6D |
| RGB | rgb(64, 170, 109) |
| HSL | hsl(145, 45%, 46%) |
| OKLCH | oklch(66.1% 0.134 154.8) |
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 #40AA6D | 2.92:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #40AA6D | 7.18:1 | AAA | Lc 48.7 | Large or bold text, headings |
| #40AA6D text on white | 2.92:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #40AA6D text on black | 7.18:1 | AAA | Lc -46.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C7E1CF
oklch(88.6% 0.037 155.4)
-
Step 300
300
#A0CEAE
oklch(81% 0.066 154.4)
-
Step 400
400
#68B483
oklch(70.7% 0.105 154.5)
-
Step 500
500 (this color)
#40AA6D
oklch(66.1% 0.134 154.8)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#0C4F2C
oklch(37.8% 0.087 154.6)
-
Step 950
950
#0B2E1A
oklch(27% 0.055 154.8)
#40AA6D 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) | #AA9D69 | 0.119 |
| Deuteranopia (no green cones) | #9B9371 | 0.116 |
| Tritanopia (no blue cones) | #12A89A | 0.066 |
| Achromatopsia (no color) | #979797 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AA6D
#40AA6D
oklch(66.1% 0.134 154.8)
- #C471B3
#C471B3
oklch(66.2% 0.134 335)
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 #40AA6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.011
- Dark Seafoam Green #3EAF76 ΔE 0.016
- Algae #54AC68 ΔE 0.017
- Jade Green #2BAF6A ΔE 0.019
- Bluey Green #2BB179 ΔE 0.021
- Jade #1FA774 ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.031
Use #40AA6D 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.