#478B4E
Closest named color: Fern Green (#548D44). oklch(57.6% 0.115 146.1), rgb(71, 139, 78).
Aa
Black text reads best on this color (5.07:1).
About this color
#478B4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.115 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.018 away. Black text reads best on it, at 5.07:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.07:1 |
| White text | 4.14:1 |
Values
| HEX | #478B4E |
| RGB | rgb(71, 139, 78) |
| HSL | hsl(126, 32%, 41%) |
| OKLCH | oklch(57.6% 0.115 146.1) |
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 #478B4E | 4.14:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #478B4E | 5.07:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #478B4E text on white | 4.14:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #478B4E text on black | 5.07:1 | AA | Lc -33.4 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDFCE
oklch(88.6% 0.029 145.3)
-
Step 300
300
#ACCAAD
oklch(80.9% 0.052 146)
-
Step 400
400
#7FAF82
oklch(70.8% 0.083 146.2)
-
Step 500
500
#5D9B62
oklch(63.2% 0.106 146)
-
Step 600
600 (this color)
#478B4E
oklch(57.6% 0.115 146.1)
-
Step 700
700
#327039
oklch(49% 0.107 146)
-
Step 800
800
#2B5C30
oklch(42.8% 0.089 145.9)
-
Step 900
900
#274B2B
oklch(37.6% 0.068 146.5)
-
Step 950
950
#182C19
oklch(27% 0.043 145.4)
#478B4E 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) | #8D8149 | 0.090 |
| Deuteranopia (no green cones) | #837A52 | 0.089 |
| Tritanopia (no blue cones) | #3C887C | 0.069 |
| Achromatopsia (no color) | #7D7D7D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478B4E
#478B4E
oklch(57.6% 0.115 146.1)
- #9C5F9D
#9C5F9D
oklch(57.5% 0.116 326.4)
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 #478B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.018
- Sea Green #2E8B57 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.021
- Dark Sage #598556 ΔE 0.030
- Viridian #1E9167 ΔE 0.035
- Moss Green #658B38 ΔE 0.036
- Swamp #698339 ΔE 0.040
- Mossy Green #638B27 ΔE 0.043
Use #478B4E 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.