#478E40
Closest named color: Fern Green (#548D44). oklch(58.2% 0.134 141.9), rgb(71, 142, 64).
Aa
Black text reads best on this color (5.21:1).
About this color
#478E40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.134 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.015 away. Black text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #478E40 |
| RGB | rgb(71, 142, 64) |
| HSL | hsl(115, 38%, 40%) |
| OKLCH | oklch(58.2% 0.134 141.9) |
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 #478E40 | 4.02:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #478E40 | 5.21:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #478E40 text on white | 4.02:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #478E40 text on black | 5.21:1 | AA | Lc -34.3 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CDDFCB
oklch(88.5% 0.033 142.5)
-
Step 300
300
#ABCBA7
oklch(80.9% 0.061 142)
-
Step 400
400
#7EB078
oklch(70.7% 0.096 141.9)
-
Step 500
500
#5B9C54
oklch(63.1% 0.124 141.9)
-
Step 600
600 (this color)
#478E40
oklch(58.2% 0.134 141.9)
-
Step 700
700
#30712A
oklch(48.9% 0.124 142)
-
Step 800
800
#295C24
oklch(42.5% 0.103 141.9)
-
Step 900
900
#264C23
oklch(37.7% 0.08 142.3)
-
Step 950
950
#172D15
oklch(27.1% 0.051 142.2)
#478E40 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) | #918239 | 0.096 |
| Deuteranopia (no green cones) | #887C46 | 0.096 |
| Tritanopia (no blue cones) | #3F8A7C | 0.086 |
| Achromatopsia (no color) | #7F7F7F | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478E40
#478E40
oklch(58.2% 0.134 141.9)
- #9F5DA9
#9F5DA9
oklch(58.1% 0.134 322.2)
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 #478E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.015
- Light Forest Green #4F9153 ΔE 0.025
- Moss Green #658B38 ΔE 0.031
- Mossy Green #638B27 ΔE 0.031
- Sap Green #5C8B15 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.035
- Kelley Green #009337 ΔE 0.039
- Olive Drab #6B8E23 ΔE 0.041
Use #478E40 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.