#425F52
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.04 165.2), rgb(66, 95, 82).
Aa
White text reads best on this color (7.02:1).
About this color
#425F52 is a medium-dark, muted green. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.033 away. White text reads best on it, at 7.02:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.02:1 |
Values
| HEX | #425F52 |
| RGB | rgb(66, 95, 82) |
| HSL | hsl(153, 18%, 32%) |
| OKLCH | oklch(45.8% 0.04 165.2) |
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 #425F52 | 7.02:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #425F52 | 2.99:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #425F52 text on white | 7.02:1 | AAA | Lc 84.3 | Fine for body text |
| #425F52 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D2DCD7
oklch(88.5% 0.013 164.8)
-
Step 300
300
#B3C6BD
oklch(80.9% 0.024 165.7)
-
Step 400
400
#8BA89B
oklch(70.6% 0.037 166.4)
-
Step 500
500
#6E9382
oklch(63.1% 0.048 165)
-
Step 600
600
#567D6C
oklch(55.5% 0.051 165.7)
-
Step 700
700
#466A5A
oklch(49.2% 0.049 165)
-
Step 800
800 (this color)
#425F52
oklch(45.8% 0.04 165.2)
-
Step 900
900
#32473D
oklch(37.7% 0.031 163.9)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#425F52 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) | #5E5B51 | 0.041 |
| Deuteranopia (no green cones) | #595753 | 0.040 |
| Tritanopia (no blue cones) | #3C5F5B | 0.015 |
| Achromatopsia (no color) | #595959 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425F52
#425F52
oklch(45.8% 0.04 165.2)
- #694F5D
#694F5D
oklch(46% 0.041 345.3)
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 #425F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.033
- Dark Aqua #05696B ΔE 0.052
- Pine #2B5D34 ΔE 0.056
- Petrol #005F6A ΔE 0.056
- Slate #516572 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.059
- Deep Teal #00555A ΔE 0.066
- Spruce #0A5F38 ΔE 0.066
Use #425F52 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.