#445F51
Closest named color: Dark Green Blue (#1F6357). oklch(45.9% 0.04 161.7), rgb(68, 95, 81).
Aa
White text reads best on this color (6.99:1).
About this color
#445F51 is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.035 away. White text reads best on it, at 6.99:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.00:1 |
| White text | 6.99:1 |
Values
| HEX | #445F51 |
| RGB | rgb(68, 95, 81) |
| HSL | hsl(149, 17%, 32%) |
| OKLCH | oklch(45.9% 0.04 161.7) |
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 #445F51 | 6.99:1 | AA | Lc -89.2 | Fine for body text |
| Black text on #445F51 | 3.00:1 | AA large text | Lc 19.8 | Dividers and decoration only |
| #445F51 text on white | 6.99:1 | AA | Lc 84.2 | Fine for body text |
| #445F51 text on black | 3.00:1 | AA large text | Lc -17.8 | 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 700.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD7
oklch(88.4% 0.01 164.8)
-
Step 300
300
#B6C5BD
oklch(81% 0.02 162.8)
-
Step 400
400
#90A79B
oklch(70.7% 0.031 162.9)
-
Step 500
500
#759182
oklch(63.1% 0.039 161.7)
-
Step 600
600
#5D7B6C
oklch(55.5% 0.042 163)
-
Step 700
700 (this color)
#445F51
oklch(45.9% 0.04 161.7)
-
Step 800
800
#3F5549
oklch(42.7% 0.034 160.7)
-
Step 900
900
#36463D
oklch(37.7% 0.026 160.2)
-
Step 950
950
#202924
oklch(27% 0.016 160.8)
#445F51 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) | #5E5B50 | 0.038 |
| Deuteranopia (no green cones) | #595852 | 0.036 |
| Tritanopia (no blue cones) | #3F5F5B | 0.016 |
| Achromatopsia (no color) | #595959 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #445F51
#445F51
oklch(45.9% 0.04 161.7)
- #684F5E
#684F5E
oklch(45.9% 0.04 342.1)
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 #445F51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.035
- Dark Aqua #05696B ΔE 0.054
- Pine #2B5D34 ΔE 0.056
- Slate #516572 ΔE 0.057
- Petrol #005F6A ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.061
- Spruce #0A5F38 ΔE 0.067
- Camo Green #526525 ΔE 0.068
Use #445F51 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.