#40AD69
Closest named color: Seaweed Green (#35AD6B). oklch(66.8% 0.142 152.8), rgb(64, 173, 105).
Aa
Black text reads best on this color (7.39:1).
About this color
#40AD69 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.142 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.006 away. Black text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.39:1 |
| White text | 2.83:1 |
Values
| HEX | #40AD69 |
| RGB | rgb(64, 173, 105) |
| HSL | hsl(143, 46%, 46%) |
| OKLCH | oklch(66.8% 0.142 152.8) |
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 #40AD69 | 2.83:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #40AD69 | 7.39:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #40AD69 text on white | 2.83:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #40AD69 text on black | 7.39:1 | AAA | Lc -47.7 | 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
#E0EEE4
oklch(93.6% 0.02 154.9)
-
Step 200
200
#C7E1CD
oklch(88.5% 0.039 152.4)
-
Step 300
300
#9FCEAB
oklch(80.9% 0.07 152.5)
-
Step 400
400
#67B57F
oklch(70.8% 0.111 152.6)
-
Step 500
500 (this color)
#40AD69
oklch(66.8% 0.142 152.8)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#094F28
oklch(37.7% 0.093 152.6)
-
Step 950
950
#0A2E18
oklch(26.9% 0.058 153)
#40AD69 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) | #AD9F64 | 0.122 |
| Deuteranopia (no green cones) | #9F956D | 0.121 |
| Tritanopia (no blue cones) | #14AB9C | 0.073 |
| Achromatopsia (no color) | #999999 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AD69
#40AD69
oklch(66.8% 0.142 152.8)
- #C771BA
#C771BA
oklch(66.8% 0.142 332.8)
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 #40AD69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.006
- Jade Green #2BAF6A ΔE 0.011
- Algae #54AC68 ΔE 0.014
- Dark Seafoam Green #3EAF76 ΔE 0.016
- Medium Sea Green #3CB371 ΔE 0.017
- Bluey Green #2BB179 ΔE 0.020
- Dark Pastel Green #56AE57 ΔE 0.025
- Green Teal #0CB577 ΔE 0.026
Use #40AD69 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.