#255518
Closest named color: Navy Green (#35530A). oklch(40.2% 0.105 139.6), rgb(37, 85, 24).
Aa
White text reads best on this color (8.78:1).
About this color
#255518 is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.017 away. White text reads best on it, at 8.78:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.39:1 |
| White text | 8.78:1 |
Values
| HEX | #255518 |
| RGB | rgb(37, 85, 24) |
| HSL | hsl(107, 56%, 21%) |
| OKLCH | oklch(40.2% 0.105 139.6) |
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 #255518 | 8.78:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #255518 | 2.39:1 | Fails | Lc 14.2 | Not readable |
| #255518 text on white | 8.78:1 | AAA | Lc 89.8 | Fine for body text |
| #255518 text on black | 2.39:1 | Fails | Lc -12.4 | Not readable |
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 900.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A6CE9D
oklch(81% 0.08 139.9)
-
Step 400
400
#75B466
oklch(70.8% 0.127 139.7)
-
Step 500
500
#4EA038
oklch(63.2% 0.162 139.6)
-
Step 600
600
#2D8A05
oklch(55.6% 0.176 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800
#1C5F02
oklch(42.6% 0.135 139.6)
-
Step 900
900 (this color)
#255518
oklch(40.2% 0.105 139.6)
-
Step 950
950
#132E0C
oklch(27.1% 0.066 139.6)
#255518 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) | #584D10 | 0.071 |
| Deuteranopia (no green cones) | #51491D | 0.070 |
| Tritanopia (no blue cones) | #205248 | 0.070 |
| Achromatopsia (no color) | #4B4B4B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #255518
#255518
oklch(40.2% 0.105 139.6)
- #60326B
#60326B
oklch(40.1% 0.106 319.6)
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 #255518, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.017
- Forest #0B5509 ΔE 0.023
- Deep Green #02590F ΔE 0.026
- Pine #2B5D34 ΔE 0.038
- Spruce #0A5F38 ΔE 0.041
- Bottle Green #044A05 ΔE 0.048
- Darkgreen #054907 ΔE 0.050
- British Racing Green #05480D ΔE 0.052
Use #255518 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.