#478C11
Closest named color: Sap Green (#5C8B15). oklch(57.2% 0.163 135.8), rgb(71, 140, 17).
Aa
Black text reads best on this color (5.02:1).
About this color
#478C11 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.163 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.023 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #478C11 |
| RGB | rgb(71, 140, 17) |
| HSL | hsl(94, 78%, 31%) |
| OKLCH | oklch(57.2% 0.163 135.8) |
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 #478C11 | 4.17:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #478C11 | 5.02:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #478C11 text on white | 4.17:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #478C11 text on black | 5.02:1 | AA | Lc -33.2 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDDF
oklch(93.5% 0.021 134.1)
-
Step 200
200
#CEE0C5
oklch(88.6% 0.041 135.1)
-
Step 300
300
#ACCC9D
oklch(80.9% 0.073 135.8)
-
Step 400
400
#7FB166
oklch(70.7% 0.117 135.9)
-
Step 500
500
#5D9D38
oklch(63.1% 0.15 135.9)
-
Step 600
600 (this color)
#478C11
oklch(57.2% 0.163 135.8)
-
Step 700
700
#367200
oklch(49.2% 0.146 135.8)
-
Step 800
800
#2B5D02
oklch(42.6% 0.125 135.9)
-
Step 900
900
#284D10
oklch(37.9% 0.098 135.8)
-
Step 950
950
#182D0C
oklch(27% 0.061 135.8)
#478C11 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) | #917F00 | 0.100 |
| Deuteranopia (no green cones) | #887A22 | 0.099 |
| Tritanopia (no blue cones) | #448677 | 0.118 |
| Achromatopsia (no color) | #7C7C7C | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478C11
#478C11
oklch(57.2% 0.163 135.8)
- #9C54B8
#9C54B8
oklch(57.2% 0.163 315.7)
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 #478C11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.023
- Forest Green #228B22 ΔE 0.026
- Emerald Green #028F1E ΔE 0.032
- Kelley Green #009337 ΔE 0.035
- Irish Green #019529 ΔE 0.036
- Mossy Green #638B27 ΔE 0.036
- True Green #089404 ΔE 0.039
- Dark Grass Green #388004 ΔE 0.040
Use #478C11 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.