#455745
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.6% 0.037 144.9), rgb(69, 87, 69).
Aa
White text reads best on this color (7.77:1).
About this color
#455745 is a dark, muted green. In OKLCH its lightness is 44%, its chroma 0.037 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.046 away. White text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #455745 |
| RGB | rgb(69, 87, 69) |
| HSL | hsl(120, 12%, 31%) |
| OKLCH | oklch(43.6% 0.037 144.9) |
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 #455745 | 7.77:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #455745 | 2.70:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #455745 text on white | 7.77:1 | AAA | Lc 87.0 | Fine for body text |
| #455745 text on black | 2.70:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE7
oklch(93.6% 0.007 145.5)
-
Step 200
200
#D4DBD4
oklch(88.4% 0.012 145.5)
-
Step 300
300
#B8C4B8
oklch(80.8% 0.021 145.4)
-
Step 400
400
#94A794
oklch(70.8% 0.035 145.2)
-
Step 500
500
#799179
oklch(63.1% 0.045 145)
-
Step 600
600
#627B62
oklch(55.6% 0.048 144.9)
-
Step 700
700
#516851
oklch(49.2% 0.045 144.8)
-
Step 800
800 (this color)
#455745
oklch(43.6% 0.037 144.9)
-
Step 900
900
#384638
oklch(37.7% 0.03 145)
-
Step 950
950
#212921
oklch(27% 0.018 145)
#455745 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) | #585444 | 0.029 |
| Deuteranopia (no green cones) | #555246 | 0.028 |
| Tritanopia (no blue cones) | #435652 | 0.022 |
| Achromatopsia (no color) | #525252 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455745
#455745
oklch(43.6% 0.037 144.9)
- #5C4B5D
#5C4B5D
oklch(43.7% 0.036 324.4)
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 #455745, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.048
- Pine #2B5D34 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.063
- Spruce #0A5F38 ΔE 0.064
- Deep Teal #00555A ΔE 0.064
- Army Green #4B5D16 ΔE 0.065
- Green Brown #544E03 ΔE 0.066
Use #455745 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.