#42664D
Closest named color: Dark Green Blue (#1F6357). oklch(47.5% 0.058 153.4), rgb(66, 102, 77).
Aa
White text reads best on this color (6.48:1).
About this color
#42664D is a medium-dark, muted green. In OKLCH its lightness is 48%, its chroma 0.058 and its hue 153°. 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 6.48:1.
| Hue family | Greens |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #42664D |
| RGB | rgb(66, 102, 77) |
| HSL | hsl(138, 21%, 33%) |
| OKLCH | oklch(47.5% 0.058 153.4) |
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 #42664D | 6.48:1 | AA | Lc -87.2 | Fine for body text |
| Black text on #42664D | 3.23:1 | AA large text | Lc 21.9 | Dividers and decoration only |
| #42664D text on white | 6.48:1 | AA | Lc 82.1 | Fine for body text |
| #42664D text on black | 3.23:1 | AA large text | Lc -19.8 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE7
oklch(93.5% 0.008 151.9)
-
Step 200
200
#D2DCD4
oklch(88.5% 0.015 151.7)
-
Step 300
300
#B4C6B8
oklch(80.9% 0.028 152.3)
-
Step 400
400
#8CA994
oklch(70.7% 0.044 153.7)
-
Step 500
500
#6F9479
oklch(63.1% 0.058 152.9)
-
Step 600
600
#567E62
oklch(55.5% 0.062 153.5)
-
Step 700
700 (this color)
#42664D
oklch(47.5% 0.058 153.4)
-
Step 800
800
#3A5743
oklch(42.7% 0.048 153.9)
-
Step 900
900
#324838
oklch(37.8% 0.039 152.8)
-
Step 950
950
#1E2A21
oklch(27.1% 0.023 152.3)
#42664D 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) | #66604C | 0.052 |
| Deuteranopia (no green cones) | #605C4E | 0.050 |
| Tritanopia (no blue cones) | #3C655F | 0.030 |
| Achromatopsia (no color) | #5E5E5E | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42664D
#42664D
oklch(47.5% 0.058 153.4)
- #70506A
#70506A
oklch(47.5% 0.058 333.2)
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 #42664D, 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 Olive Green #556B2F ΔE 0.051
- Camo Green #526525 ΔE 0.051
- Pine #2B5D34 ΔE 0.052
- Dark Moss Green #606C38 ΔE 0.054
- Dark Aqua #05696B ΔE 0.055
- Dark Aquamarine #017371 ΔE 0.061
- Army Green #4B5D16 ΔE 0.062
Use #42664D 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.