#478D63
Closest named color: Viridian (#1E9167). oklch(58.6% 0.097 155.5), rgb(71, 141, 99).
Aa
Black text reads best on this color (5.25:1).
About this color
#478D63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.097 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.025 away. Black text reads best on it, at 5.25:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #478D63 |
| RGB | rgb(71, 141, 99) |
| HSL | hsl(144, 33%, 42%) |
| OKLCH | oklch(58.6% 0.097 155.5) |
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 #478D63 | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #478D63 | 5.25:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #478D63 text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #478D63 text on black | 5.25:1 | AA | Lc -34.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CDDED2
oklch(88.4% 0.024 155.1)
-
Step 300
300
#ABC9B5
oklch(80.8% 0.043 156.1)
-
Step 400
400
#7DAE8E
oklch(70.7% 0.07 155.6)
-
Step 500
500
#5A9A72
oklch(63.2% 0.09 155.4)
-
Step 600
600 (this color)
#478D63
oklch(58.6% 0.097 155.5)
-
Step 700
700
#2F704A
oklch(49.2% 0.091 155.3)
-
Step 800
800
#285B3D
oklch(42.7% 0.075 155.6)
-
Step 900
900
#264B34
oklch(37.8% 0.058 155.1)
-
Step 950
950
#172C1F
oklch(27.1% 0.037 155.9)
#478D63 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) | #8D8460 | 0.088 |
| Deuteranopia (no green cones) | #827C66 | 0.086 |
| Tritanopia (no blue cones) | #368C82 | 0.047 |
| Achromatopsia (no color) | #7F7F7F | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478D63
#478D63
oklch(58.6% 0.097 155.5)
- #A06592
#A06592
oklch(58.6% 0.097 335.9)
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 #478D63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.025
- Dark Sage #598556 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.028
- Ocean Green #3D9973 ΔE 0.035
- Slate Green #658D6D ΔE 0.037
- Fern Green #548D44 ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.050
Use #478D63 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.