#40905F
Closest named color: Light Forest Green (#4F9153). oklch(59% 0.109 154.3), rgb(64, 144, 95).
Aa
Black text reads best on this color (5.37:1).
About this color
#40905F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.109 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.020 away. Black text reads best on it, at 5.37:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #40905F |
| RGB | rgb(64, 144, 95) |
| HSL | hsl(143, 38%, 41%) |
| OKLCH | oklch(59% 0.109 154.3) |
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 #40905F | 3.90:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #40905F | 5.37:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #40905F text on white | 3.90:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #40905F text on black | 5.37:1 | AA | Lc -35.4 | 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 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD1
oklch(88.6% 0.028 153.8)
-
Step 300
300
#A9CAB3
oklch(80.8% 0.048 154.8)
-
Step 400
400
#79AF8B
oklch(70.6% 0.078 154.8)
-
Step 500
500
#549B6E
oklch(63% 0.099 154.6)
-
Step 600
600 (this color)
#40905F
oklch(59% 0.109 154.3)
-
Step 700
700
#267146
oklch(49.1% 0.101 154.6)
-
Step 800
800
#225C39
oklch(42.6% 0.084 154.1)
-
Step 900
900
#224C31
oklch(37.8% 0.066 153.6)
-
Step 950
950
#152C1D
oklch(26.9% 0.041 154.1)
#40905F 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) | #90865C | 0.097 |
| Deuteranopia (no green cones) | #857E62 | 0.095 |
| Tritanopia (no blue cones) | #298E83 | 0.055 |
| Achromatopsia (no color) | #818181 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40905F
#40905F
oklch(59% 0.109 154.3)
- #A46398
#A46398
oklch(58.9% 0.11 333.9)
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 #40905F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.020
- Viridian #1E9167 ΔE 0.020
- Sea Green #2E8B57 ΔE 0.023
- Ocean Green #3D9973 ΔE 0.032
- Fern Green #548D44 ΔE 0.033
- Dark Sage #598556 ΔE 0.035
- Slate Green #658D6D ΔE 0.047
- Moss Green #658B38 ΔE 0.049
Use #40905F 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.