#40A586
Closest named color: Persian Green (#2A9D8F). oklch(65.4% 0.105 169.6), rgb(64, 165, 134).
Aa
Black text reads best on this color (6.94:1).
About this color
#40A586 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.105 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.034 away. Black text reads best on it, at 6.94:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #40A586 |
| RGB | rgb(64, 165, 134) |
| HSL | hsl(162, 44%, 45%) |
| OKLCH | oklch(65.4% 0.105 169.6) |
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 #40A586 | 3.02:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #40A586 | 6.94:1 | AA | Lc 47.3 | Large or bold text, headings |
| #40A586 text on white | 3.02:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #40A586 text on black | 6.94:1 | AA | Lc -45.1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8E0D6
oklch(88.6% 0.029 168.7)
-
Step 300
300
#A0CCBB
oklch(80.9% 0.052 169.4)
-
Step 400
400
#69B198
oklch(70.6% 0.082 169.7)
-
Step 500
500 (this color)
#40A586
oklch(65.4% 0.105 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#0E4D3C
oklch(37.7% 0.068 170.1)
-
Step 950
950
#0C2D23
oklch(26.9% 0.043 169.9)
#40A586 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) | #A19A84 | 0.108 |
| Deuteranopia (no green cones) | #929088 | 0.103 |
| Tritanopia (no blue cones) | #00A69C | 0.035 |
| Achromatopsia (no color) | #949494 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A586
#40A586
oklch(65.4% 0.105 169.6)
- #C0759A
#C0759A
oklch(65.4% 0.105 349.4)
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 #40A586, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.034
- Jade #1FA774 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.039
- Ocean Green #3D9973 ΔE 0.039
- Tea #65AB7C ΔE 0.040
- Greeny Blue #42B395 ΔE 0.041
- Dark Seafoam Green #3EAF76 ΔE 0.043
Use #40A586 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.