#425B4F
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.036 163.8), rgb(66, 91, 79).
Aa
White text reads best on this color (7.39:1).
About this color
#425B4F is a dark, muted green. In OKLCH its lightness is 45%, its chroma 0.036 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.037 away. White text reads best on it, at 7.39:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.84:1 |
| White text | 7.39:1 |
Values
| HEX | #425B4F |
| RGB | rgb(66, 91, 79) |
| HSL | hsl(151, 16%, 31%) |
| OKLCH | oklch(44.7% 0.036 163.8) |
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 #425B4F | 7.39:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #425B4F | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #425B4F text on white | 7.39:1 | AAA | Lc 85.7 | Fine for body text |
| #425B4F text on black | 2.84:1 | Fails | Lc -16.4 | 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
#D3DCD7
oklch(88.6% 0.012 162)
-
Step 300
300
#B5C5BD
oklch(80.9% 0.021 164.5)
-
Step 400
400
#8EA89B
oklch(70.8% 0.034 163.8)
-
Step 500
500
#729282
oklch(63.1% 0.043 163.2)
-
Step 600
600
#5A7C6C
oklch(55.5% 0.046 164.2)
-
Step 700
700
#4A695A
oklch(49.2% 0.044 163.3)
-
Step 800
800 (this color)
#425B4F
oklch(44.7% 0.036 163.8)
-
Step 900
900
#34463D
oklch(37.6% 0.028 163)
-
Step 950
950
#1F2924
oklch(27% 0.017 163.4)
#425B4F 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) | #5A574E | 0.036 |
| Deuteranopia (no green cones) | #565450 | 0.035 |
| Tritanopia (no blue cones) | #3D5B57 | 0.014 |
| Achromatopsia (no color) | #565656 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #425B4F
#425B4F
oklch(44.7% 0.036 163.8)
- #634D59
#634D59
oklch(44.7% 0.035 344.7)
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 #425B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.049
- Pine #2B5D34 ΔE 0.054
- Petrol #005F6A ΔE 0.057
- Dark Aqua #05696B ΔE 0.059
- Deep Teal #00555A ΔE 0.060
- Slate #516572 ΔE 0.063
- Dark Blue Green #005249 ΔE 0.066
Use #425B4F 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.