#455137
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.7% 0.044 128.3), rgb(69, 81, 55).
Aa
White text reads best on this color (8.45:1).
About this color
#455137 is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.044 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.048 away. White text reads best on it, at 8.45:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #455137 |
| RGB | rgb(69, 81, 55) |
| HSL | hsl(88, 19%, 27%) |
| OKLCH | oklch(41.7% 0.044 128.3) |
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 #455137 | 8.45:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #455137 | 2.48:1 | Fails | Lc 14.9 | Not readable |
| #455137 text on white | 8.45:1 | AAA | Lc 89.1 | Fine for body text |
| #455137 text on black | 2.48:1 | Fails | Lc -13.1 | 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 800.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE6
oklch(93.6% 0.007 132.4)
-
Step 200
200
#D6DBD1
oklch(88.5% 0.015 128.6)
-
Step 300
300
#BCC4B3
oklch(80.9% 0.025 127.7)
-
Step 400
400
#99A68B
oklch(70.7% 0.041 128.4)
-
Step 500
500
#80906E
oklch(63.1% 0.053 128.3)
-
Step 600
600
#697A56
oklch(55.6% 0.057 128.7)
-
Step 700
700
#586746
oklch(49.2% 0.054 128.1)
-
Step 800
800 (this color)
#455137
oklch(41.7% 0.044 128.3)
-
Step 900
900
#3C4532
oklch(37.6% 0.033 128.5)
-
Step 950
950
#23291D
oklch(27.1% 0.023 129.5)
#455137 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) | #544E35 | 0.024 |
| Deuteranopia (no green cones) | #524D38 | 0.024 |
| Tritanopia (no blue cones) | #464F4A | 0.033 |
| Achromatopsia (no color) | #4D4D4D | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455137
#455137
oklch(41.7% 0.044 128.3)
- #53465F
#53465F
oklch(41.7% 0.044 308.2)
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 #455137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.048
- Pine #2B5D34 ΔE 0.049
- Green Brown #544E03 ΔE 0.050
- Mud Brown #60460F ΔE 0.057
- Navy Green #35530A ΔE 0.060
- Dark Blue Green #005249 ΔE 0.062
- Army Green #4B5D16 ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.063
Use #455137 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.