#40AE6E
Closest named color: Seaweed Green (#35AD6B). oklch(67.2% 0.138 154.4), rgb(64, 174, 110).
Aa
Black text reads best on this color (7.49:1).
About this color
#40AE6E is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.138 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.009 away. Black text reads best on it, at 7.49:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #40AE6E |
| RGB | rgb(64, 174, 110) |
| HSL | hsl(145, 46%, 47%) |
| OKLCH | oklch(67.2% 0.138 154.4) |
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 #40AE6E | 2.80:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #40AE6E | 7.49:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #40AE6E text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #40AE6E text on black | 7.49:1 | AAA | Lc -48.3 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C1E3CB
oklch(88.5% 0.048 154.6)
-
Step 300
300
#94D2A8
oklch(81% 0.087 154.4)
-
Step 400
400 (this color)
#40AE6E
oklch(67.2% 0.138 154.4)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#40AE6E 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) | #AEA16A | 0.122 |
| Deuteranopia (no green cones) | #9F9672 | 0.120 |
| Tritanopia (no blue cones) | #0DAC9E | 0.070 |
| Achromatopsia (no color) | #9A9A9A | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AE6E
#40AE6E
oklch(67.2% 0.138 154.4)
- #C873B8
#C873B8
oklch(67.2% 0.138 334.3)
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 #40AE6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.009
- Dark Seafoam Green #3EAF76 ΔE 0.010
- Jade Green #2BAF6A ΔE 0.013
- Medium Sea Green #3CB371 ΔE 0.014
- Algae #54AC68 ΔE 0.014
- Bluey Green #2BB179 ΔE 0.015
- Dark Seafoam #1FB57A ΔE 0.022
- Green Teal #0CB577 ΔE 0.023
Use #40AE6E 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.