#478B22
Closest named color: Sap Green (#5C8B15). oklch(57.1% 0.153 136.9), rgb(71, 139, 34).
Aa
Black text reads best on this color (4.98:1).
About this color
#478B22 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.153 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.021 away. Black text reads best on it, at 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #478B22 |
| RGB | rgb(71, 139, 34) |
| HSL | hsl(99, 61%, 34%) |
| OKLCH | oklch(57.1% 0.153 136.9) |
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 #478B22 | 4.21:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #478B22 | 4.98:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #478B22 text on white | 4.21:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #478B22 text on black | 4.98:1 | AA | Lc -32.9 | 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ACCCA0
oklch(81% 0.07 137.2)
-
Step 400
400
#7FB16B
oklch(70.8% 0.111 137.2)
-
Step 500
500
#5E9C41
oklch(63% 0.14 136.9)
-
Step 600
600 (this color)
#478B22
oklch(57.1% 0.153 136.9)
-
Step 700
700
#34720C
oklch(49.1% 0.143 137)
-
Step 800
800
#2C5D10
oklch(42.8% 0.118 136.9)
-
Step 900
900
#284C16
oklch(37.6% 0.092 136.8)
-
Step 950
950
#182D0E
oklch(27.1% 0.059 136.7)
#478B22 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) | #907F0D | 0.096 |
| Deuteranopia (no green cones) | #87792D | 0.098 |
| Tritanopia (no blue cones) | #438677 | 0.108 |
| Achromatopsia (no color) | #7B7B7B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478B22
#478B22
oklch(57.1% 0.153 136.9)
- #9B56B2
#9B56B2
oklch(57% 0.153 317.1)
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 #478B22, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.021
- Forest Green #228B22 ΔE 0.026
- Mossy Green #638B27 ΔE 0.032
- Kelley Green #009337 ΔE 0.035
- Emerald Green #028F1E ΔE 0.036
- Fern Green #548D44 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.039
- Irish Green #019529 ΔE 0.039
Use #478B22 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.