#455F4D
Closest named color: Dark Green Blue (#1F6357). oklch(45.9% 0.043 154.2), rgb(69, 95, 77).
Aa
White text reads best on this color (7.00:1).
About this color
#455F4D is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.043 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.036 away. White text reads best on it, at 7.00:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #455F4D |
| RGB | rgb(69, 95, 77) |
| HSL | hsl(138, 16%, 32%) |
| OKLCH | oklch(45.9% 0.043 154.2) |
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 #455F4D | 7.00:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #455F4D | 2.99:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #455F4D text on white | 7.00:1 | AAA | Lc 84.2 | Fine for body text |
| #455F4D text on black | 2.99:1 | Fails | Lc -17.7 | 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
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B5C6B9
oklch(81% 0.026 152.8)
-
Step 400
400
#8EA896
oklch(70.6% 0.039 155.1)
-
Step 500
500
#72937C
oklch(63.1% 0.05 154.4)
-
Step 600
600
#5A7D65
oklch(55.6% 0.054 154.4)
-
Step 700
700
#496A53
oklch(49.2% 0.053 153.7)
-
Step 800
800 (this color)
#455F4D
oklch(45.9% 0.043 154.2)
-
Step 900
900
#34473A
oklch(37.7% 0.033 154.7)
-
Step 950
950
#1E2A22
oklch(27.1% 0.022 155.5)
#455F4D 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) | #5F5B4C | 0.039 |
| Deuteranopia (no green cones) | #5B584E | 0.038 |
| Tritanopia (no blue cones) | #415E5A | 0.022 |
| Achromatopsia (no color) | #595959 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #455F4D
#455F4D
oklch(45.9% 0.043 154.2)
- #674F62
#674F62
oklch(45.9% 0.043 333.7)
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 #455F4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.036
- Pine #2B5D34 ΔE 0.052
- Dark Aqua #05696B ΔE 0.058
- Slate #516572 ΔE 0.062
- Camo Green #526525 ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.063
- Petrol #005F6A ΔE 0.064
- Spruce #0A5F38 ΔE 0.064
Use #455F4D 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.