#40AB79
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.6% 0.124 159.7), rgb(64, 171, 121).
Aa
Black text reads best on this color (7.31:1).
About this color
#40AB79 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.124 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.014 away. Black text reads best on it, at 7.31:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.31:1 |
| White text | 2.86:1 |
Values
| HEX | #40AB79 |
| RGB | rgb(64, 171, 121) |
| HSL | hsl(152, 46%, 46%) |
| OKLCH | oklch(66.6% 0.124 159.7) |
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 #40AB79 | 2.86:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #40AB79 | 7.31:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #40AB79 text on white | 2.86:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #40AB79 text on black | 7.31:1 | AAA | Lc -47.2 | 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
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C7E0D1
oklch(88.4% 0.033 159.3)
-
Step 300
300
#9FCDB3
oklch(80.8% 0.061 159.9)
-
Step 400
400
#67B38B
oklch(70.6% 0.097 159.6)
-
Step 500
500 (this color)
#40AB79
oklch(66.6% 0.124 159.7)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#094E32
oklch(37.6% 0.081 159.9)
-
Step 950
950
#0A2E1D
oklch(27% 0.052 159.1)
#40AB79 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) | #A99F76 | 0.116 |
| Deuteranopia (no green cones) | #9B947C | 0.114 |
| Tritanopia (no blue cones) | #00AA9E | 0.055 |
| Achromatopsia (no color) | #989898 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AB79
#40AB79
oklch(66.6% 0.124 159.7)
- #C674AC
#C674AC
oklch(66.6% 0.124 339.9)
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 #40AB79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.014
- Bluey Green #2BB179 ΔE 0.019
- Jade #1FA774 ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.023
- Algae #54AC68 ΔE 0.025
- Medium Sea Green #3CB371 ΔE 0.029
- Jade Green #2BAF6A ΔE 0.030
- Dark Seafoam #1FB57A ΔE 0.030
Use #40AB79 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.