#40904F
Closest named color: Light Forest Green (#4F9153). oklch(58.7% 0.125 147.7), rgb(64, 144, 79).
Aa
Black text reads best on this color (5.32:1).
About this color
#40904F is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.125 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.016 away. Black text reads best on it, at 5.32:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #40904F |
| RGB | rgb(64, 144, 79) |
| HSL | hsl(131, 38%, 41%) |
| OKLCH | oklch(58.7% 0.125 147.7) |
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 #40904F | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #40904F | 5.32:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #40904F text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #40904F text on black | 5.32:1 | AA | Lc -35.1 | 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
#E3EDE4
oklch(93.6% 0.016 148.4)
-
Step 200
200
#CCDFCE
oklch(88.5% 0.031 148.4)
-
Step 300
300
#A9CBAC
oklch(80.9% 0.056 147.4)
-
Step 400
400
#79B080
oklch(70.6% 0.09 147.8)
-
Step 500
500
#559C60
oklch(63% 0.115 147.6)
-
Step 600
600 (this color)
#40904F
oklch(58.7% 0.125 147.7)
-
Step 700
700
#287238
oklch(49.1% 0.116 147.8)
-
Step 800
800
#235D2E
oklch(42.7% 0.097 147.4)
-
Step 900
900
#224C2A
oklch(37.6% 0.074 148.2)
-
Step 950
950
#152D19
oklch(27.1% 0.048 148)
#40904F 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) | #92854A | 0.101 |
| Deuteranopia (no green cones) | #877D53 | 0.100 |
| Tritanopia (no blue cones) | #2F8D80 | 0.072 |
| Achromatopsia (no color) | #808080 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40904F
#40904F
oklch(58.7% 0.125 147.7)
- #A35FA2
#A35FA2
oklch(58.6% 0.126 327.5)
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 #40904F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.016
- Fern Green #548D44 ΔE 0.019
- Sea Green #2E8B57 ΔE 0.025
- Viridian #1E9167 ΔE 0.033
- Moss Green #658B38 ΔE 0.038
- Dark Sage #598556 ΔE 0.043
- Mossy Green #638B27 ΔE 0.044
- Kelley Green #009337 ΔE 0.045
Use #40904F 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.