#40A380
Closest named color: Jade (#1FA774). oklch(64.7% 0.107 166.6), rgb(64, 163, 128).
Aa
Black text reads best on this color (6.76:1).
About this color
#40A380 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.107 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.030 away. Black text reads best on it, at 6.76:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #40A380 |
| RGB | rgb(64, 163, 128) |
| HSL | hsl(159, 44%, 45%) |
| OKLCH | oklch(64.7% 0.107 166.6) |
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 #40A380 | 3.10:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #40A380 | 6.76:1 | AA | Lc 46.3 | Large or bold text, headings |
| #40A380 text on white | 3.10:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #40A380 text on black | 6.76:1 | AA | Lc -44.0 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8E0D5
oklch(88.6% 0.03 166.4)
-
Step 300
300
#A1CCB9
oklch(80.9% 0.053 166.3)
-
Step 400
400
#6AB295
oklch(70.8% 0.085 166.3)
-
Step 500
500 (this color)
#40A380
oklch(64.7% 0.107 166.6)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#104D39
oklch(37.6% 0.07 166.3)
-
Step 950
950
#0D2D22
oklch(27% 0.043 167.5)
#40A380 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) | #9F987E | 0.106 |
| Deuteranopia (no green cones) | #918E82 | 0.103 |
| Tritanopia (no blue cones) | #00A499 | 0.038 |
| Achromatopsia (no color) | #929292 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A380
#40A380
oklch(64.7% 0.107 166.6)
- #BD739B
#BD739B
oklch(64.7% 0.106 346.8)
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 #40A380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.030
- Ocean Green #3D9973 ΔE 0.031
- Persian Green #2A9D8F ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.041
- Tea #65AB7C ΔE 0.042
- Blue Green #0F9B8E ΔE 0.042
- Dark Seafoam Green #3EAF76 ΔE 0.042
Use #40A380 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.