#426F5C
Closest named color: Dark Aquamarine (#017371). oklch(50.3% 0.059 165.4), rgb(66, 111, 92).
Aa
White text reads best on this color (5.73:1).
About this color
#426F5C is a medium-dark, muted green. In OKLCH its lightness is 50%, its chroma 0.059 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.043 away. White text reads best on it, at 5.73:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.65:1 |
| White text | 5.73:1 |
Values
| HEX | #426F5C |
| RGB | rgb(66, 111, 92) |
| HSL | hsl(155, 25%, 35%) |
| OKLCH | oklch(50.3% 0.059 165.4) |
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 #426F5C | 5.73:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #426F5C | 3.65:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #426F5C text on white | 5.73:1 | AA | Lc 78.6 | Fine for body text |
| #426F5C text on black | 3.65:1 | AA large text | Lc -23.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D0DDD6
oklch(88.6% 0.017 162.7)
-
Step 300
300
#B0C7BC
oklch(80.9% 0.029 165.3)
-
Step 400
400
#87AA9A
oklch(70.7% 0.045 165.5)
-
Step 500
500
#689581
oklch(63.1% 0.058 165.3)
-
Step 600
600
#4E7F6A
oklch(55.5% 0.063 165.2)
-
Step 700
700 (this color)
#426F5C
oklch(50.3% 0.059 165.4)
-
Step 800
800
#345849
oklch(42.8% 0.049 165.8)
-
Step 900
900
#2E483D
oklch(37.7% 0.037 166.1)
-
Step 950
950
#1B2A24
oklch(26.9% 0.023 167.9)
#426F5C 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) | #6D695B | 0.058 |
| Deuteranopia (no green cones) | #66645D | 0.056 |
| Tritanopia (no blue cones) | #366F69 | 0.022 |
| Achromatopsia (no color) | #666666 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426F5C
#426F5C
oklch(50.3% 0.059 165.4)
- #7D576C
#7D576C
oklch(50.4% 0.058 345.1)
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 #426F5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.043
- Deep Turquoise #017374 ΔE 0.046
- Bluegreen #017A79 ΔE 0.052
- Dark Aqua #05696B ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.055
- Deep Aqua #08787F ΔE 0.057
- Slate #516572 ΔE 0.058
Use #426F5C 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.