#40AB80
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.8% 0.118 163.3), rgb(64, 171, 128).
Aa
Black text reads best on this color (7.35:1).
About this color
#40AB80 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.118 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.021 away. Black text reads best on it, at 7.35:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #40AB80 |
| RGB | rgb(64, 171, 128) |
| HSL | hsl(156, 46%, 46%) |
| OKLCH | oklch(66.8% 0.118 163.3) |
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 #40AB80 | 2.85:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #40AB80 | 7.35:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #40AB80 text on white | 2.85:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #40AB80 text on black | 7.35:1 | AAA | Lc -47.4 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E0EEE7
oklch(93.7% 0.018 164.6)
-
Step 200
200
#C7E0D3
oklch(88.5% 0.032 163.2)
-
Step 300
300
#9FCDB6
oklch(80.9% 0.058 163.1)
-
Step 400
400
#67B390
oklch(70.7% 0.092 162.9)
-
Step 500
500 (this color)
#40AB80
oklch(66.8% 0.118 163.3)
-
Step 600
600
#00885F
oklch(55.5% 0.119 163.5)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#094E36
oklch(37.7% 0.077 163.5)
-
Step 950
950
#0A2E20
oklch(27.1% 0.049 163.7)
#40AB80 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) | #A89F7E | 0.115 |
| Deuteranopia (no green cones) | #999583 | 0.110 |
| Tritanopia (no blue cones) | #00AB9F | 0.046 |
| Achromatopsia (no color) | #999999 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AB80
#40AB80
oklch(66.8% 0.118 163.3)
- #C676A7
#C676A7
oklch(66.7% 0.117 343.3)
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 #40AB80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Bluey Green #2BB179 ΔE 0.025
- Jade #1FA774 ΔE 0.027
- Tea #65AB7C ΔE 0.029
- Greeny Blue #42B395 ΔE 0.033
- Seaweed Green #35AD6B ΔE 0.033
- Algae #54AC68 ΔE 0.034
- Dark Seafoam #1FB57A ΔE 0.035
Use #40AB80 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.