#518E27
Closest named color: Sap Green (#5C8B15). oklch(58.4% 0.149 135.3), rgb(81, 142, 39).
Aa
Black text reads best on this color (5.24:1).
About this color
#518E27 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.149 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.014 away. Black text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.24:1 |
| White text | 4.00:1 |
Values
| HEX | #518E27 |
| RGB | rgb(81, 142, 39) |
| HSL | hsl(96, 57%, 35%) |
| OKLCH | oklch(58.4% 0.149 135.3) |
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 #518E27 | 4.00:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #518E27 | 5.24:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #518E27 text on white | 4.00:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #518E27 text on black | 5.24:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AECBA0
oklch(80.9% 0.067 135.5)
-
Step 400
400
#83B06B
oklch(70.8% 0.107 135.3)
-
Step 500
500
#639B41
oklch(63% 0.136 135.2)
-
Step 600
600 (this color)
#518E27
oklch(58.4% 0.149 135.3)
-
Step 700
700
#3A710C
oklch(49.1% 0.138 135.3)
-
Step 800
800
#305C10
oklch(42.7% 0.115 135.4)
-
Step 900
900
#2B4C16
oklch(37.8% 0.09 135.3)
-
Step 950
950
#1A2C0E
oklch(26.9% 0.056 134.5)
#518E27 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) | #938216 | 0.089 |
| Deuteranopia (no green cones) | #8B7D31 | 0.091 |
| Tritanopia (no blue cones) | #4F897A | 0.107 |
| Achromatopsia (no color) | #7F7F7F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518E27
#518E27
oklch(58.4% 0.149 135.3)
- #9C5CB7
#9C5CB7
oklch(58.3% 0.149 315.1)
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 #518E27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.014
- Mossy Green #638B27 ΔE 0.021
- Fern Green #548D44 ΔE 0.029
- Olive Drab #6B8E23 ΔE 0.029
- Moss Green #658B38 ΔE 0.032
- Dark Yellow Green #728F02 ΔE 0.039
- Forest Green #228B22 ΔE 0.039
- Kelley Green #009337 ΔE 0.040
Use #518E27 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.