#518800
Closest named color: Sap Green (#5C8B15). oklch(56.6% 0.157 132.1), rgb(81, 136, 0).
Aa
Black text reads best on this color (4.87:1).
About this color
#518800 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.157 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.018 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.87:1 |
| White text | 4.31:1 |
Values
| HEX | #518800 |
| RGB | rgb(81, 136, 0) |
| HSL | hsl(84, 100%, 27%) |
| OKLCH | oklch(56.6% 0.157 132.1) |
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 #518800 | 4.31:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #518800 | 4.87:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #518800 text on white | 4.31:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #518800 text on black | 4.87:1 | AA | Lc -32.1 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDF
oklch(93.6% 0.02 131.5)
-
Step 200
200
#D0DFC5
oklch(88.5% 0.039 131.9)
-
Step 300
300
#B0CB9C
oklch(81% 0.07 132.2)
-
Step 400
400
#86AF63
oklch(70.6% 0.113 131.9)
-
Step 500
500
#679B34
oklch(63.1% 0.145 132.2)
-
Step 600
600 (this color)
#518800
oklch(56.6% 0.157 132.1)
-
Step 700
700
#427000
oklch(49.3% 0.137 132)
-
Step 800
800
#355B00
oklch(42.6% 0.118 131.9)
-
Step 900
900
#2E4B0D
oklch(37.6% 0.094 131.8)
-
Step 950
950
#1B2C0A
oklch(26.9% 0.06 131.8)
#518800 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) | #8E7C00 | 0.088 |
| Deuteranopia (no green cones) | #877819 | 0.088 |
| Tritanopia (no blue cones) | #528273 | 0.120 |
| Achromatopsia (no color) | #7A7A7A | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518800
#518800
oklch(56.6% 0.157 132.1)
- #9556B8
#9556B8
oklch(56.7% 0.157 312.1)
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 #518800, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.018
- Mossy Green #638B27 ΔE 0.032
- Forest Green #228B22 ΔE 0.034
- Dark Grass Green #388004 ΔE 0.037
- Olive Drab #6B8E23 ΔE 0.042
- Emerald Green #028F1E ΔE 0.043
- Swamp Green #748500 ΔE 0.044
- Moss Green #658B38 ΔE 0.044
Use #518800 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.