#40A564
Closest named color: Seaweed Green (#35AD6B). oklch(64.6% 0.135 152.3), rgb(64, 165, 100).
Aa
Black text reads best on this color (6.78:1).
About this color
#40A564 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.135 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.022 away. Black text reads best on it, at 6.78:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.78:1 |
| White text | 3.09:1 |
Values
| HEX | #40A564 |
| RGB | rgb(64, 165, 100) |
| HSL | hsl(141, 44%, 45%) |
| OKLCH | oklch(64.6% 0.135 152.3) |
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 #40A564 | 3.09:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #40A564 | 6.78:1 | AA | Lc 46.4 | Large or bold text, headings |
| #40A564 text on white | 3.09:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #40A564 text on black | 6.78:1 | AA | Lc -44.1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E1CE
oklch(88.6% 0.037 152.8)
-
Step 300
300
#A1CDAC
oklch(80.8% 0.066 152.4)
-
Step 400
400
#6BB480
oklch(70.8% 0.106 152.1)
-
Step 500
500 (this color)
#40A564
oklch(64.6% 0.135 152.3)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#104E29
oklch(37.5% 0.088 152.4)
-
Step 950
950
#0D2E18
oklch(27% 0.056 151.7)
#40A564 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) | #A59860 | 0.116 |
| Deuteranopia (no green cones) | #988F68 | 0.113 |
| Tritanopia (no blue cones) | #1EA395 | 0.071 |
| Achromatopsia (no color) | #929292 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A564
#40A564
oklch(64.6% 0.135 152.3)
- #BD6DB2
#BD6DB2
oklch(64.7% 0.134 332.2)
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 #40A564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.022
- Jade #1FA774 ΔE 0.022
- Algae #54AC68 ΔE 0.028
- Jade Green #2BAF6A ΔE 0.028
- Muted Green #5FA052 ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Mid Green #50A747 ΔE 0.035
- Bluey Green #2BB179 ΔE 0.036
Use #40A564 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.