#518923
Closest named color: Sap Green (#5C8B15). oklch(57% 0.145 134.2), rgb(81, 137, 35).
Aa
Black text reads best on this color (4.95:1).
About this color
#518923 is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.145 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.015 away. Black text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.95:1 |
| White text | 4.24:1 |
Values
| HEX | #518923 |
| RGB | rgb(81, 137, 35) |
| HSL | hsl(93, 59%, 34%) |
| OKLCH | oklch(57% 0.145 134.2) |
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 #518923 | 4.24:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #518923 | 4.95:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #518923 text on white | 4.24:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #518923 text on black | 4.95:1 | AA | Lc -32.6 | 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
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#CFDFC7
oklch(88.5% 0.037 135)
-
Step 300
300
#AFCAA0
oklch(80.8% 0.065 134.5)
-
Step 400
400
#85AF6B
oklch(70.7% 0.105 134.2)
-
Step 500
500
#669B42
oklch(63.2% 0.134 134.4)
-
Step 600
600 (this color)
#518923
oklch(57% 0.145 134.2)
-
Step 700
700
#3E700E
oklch(49.1% 0.134 134.1)
-
Step 800
800
#335B11
oklch(42.6% 0.111 134.2)
-
Step 900
900
#2D4B17
oklch(37.6% 0.086 134.2)
-
Step 950
950
#1B2C0F
oklch(27% 0.054 134)
#518923 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) | #8E7E10 | 0.084 |
| Deuteranopia (no green cones) | #87792D | 0.086 |
| Tritanopia (no blue cones) | #508475 | 0.105 |
| Achromatopsia (no color) | #7B7B7B | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518923
#518923
oklch(57% 0.145 134.2)
- #965AB2
#965AB2
oklch(57.1% 0.144 314.1)
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 #518923, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.015
- Mossy Green #638B27 ΔE 0.023
- Fern Green #548D44 ΔE 0.031
- Moss Green #658B38 ΔE 0.033
- Olive Drab #6B8E23 ΔE 0.036
- Forest Green #228B22 ΔE 0.036
- Swamp Green #748500 ΔE 0.041
- Dark Grass Green #388004 ΔE 0.042
Use #518923 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.