#556E23
Closest named color: Dark Olive Green (#556B2F). oklch(50.2% 0.105 125.8), rgb(85, 110, 35).
Aa
White text reads best on this color (5.76:1).
About this color
#556E23 is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.105 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.017 away. White text reads best on it, at 5.76:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #556E23 |
| RGB | rgb(85, 110, 35) |
| HSL | hsl(80, 52%, 28%) |
| OKLCH | oklch(50.2% 0.105 125.8) |
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 #556E23 | 5.76:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #556E23 | 3.64:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #556E23 text on white | 5.76:1 | AA | Lc 78.8 | Fine for body text |
| #556E23 text on black | 3.64:1 | AA large text | Lc -23.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B8C7A4
oklch(80.9% 0.051 126.4)
-
Step 400
400
#94AA72
oklch(70.7% 0.081 125.8)
-
Step 500
500
#7A954C
oklch(63.2% 0.104 125.9)
-
Step 600
600
#637F2D
oklch(55.7% 0.114 125.9)
-
Step 700
700 (this color)
#556E23
oklch(50.2% 0.105 125.8)
-
Step 800
800
#43571C
oklch(42.6% 0.087 125.8)
-
Step 900
900
#39481D
oklch(37.8% 0.068 125.5)
-
Step 950
950
#212A12
oklch(26.9% 0.043 126)
#556E23 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) | #746719 | 0.048 |
| Deuteranopia (no green cones) | #716529 | 0.051 |
| Tritanopia (no blue cones) | #59695F | 0.085 |
| Achromatopsia (no color) | #666666 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #556E23
#556E23
oklch(50.2% 0.105 125.8)
- #735293
#735293
oklch(50.1% 0.106 306.3)
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 #556E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.017
- Mud Green #606602 ΔE 0.026
- Camo Green #526525 ΔE 0.029
- Dark Moss Green #606C38 ΔE 0.031
- Muddy Green #657432 ΔE 0.034
- Browny Green #6F6C0A ΔE 0.037
- Brown Green #706C11 ΔE 0.039
- Camouflage Green #4B6113 ΔE 0.043
Use #556E23 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.