#557266
Closest named color: Dim Gray (#696969). oklch(52.6% 0.039 167.5), rgb(85, 114, 102).
Aa
White text reads best on this color (5.26:1).
About this color
#557266 is a medium-dark, muted green. In OKLCH its lightness is 53%, its chroma 0.039 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dim Gray (#696969), ΔE 0.039 away. White text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.98:1 |
| White text | 5.26:1 |
Values
| HEX | #557266 |
| RGB | rgb(85, 114, 102) |
| HSL | hsl(155, 15%, 39%) |
| OKLCH | oklch(52.6% 0.039 167.5) |
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 #557266 | 5.26:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #557266 | 3.98:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #557266 text on white | 5.26:1 | AA | Lc 76.2 | Fine for body text |
| #557266 text on black | 3.98:1 | AA large text | Lc -25.6 | 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 600.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B7C4BE
oklch(80.9% 0.017 166.6)
-
Step 400
400
#91A69D
oklch(70.6% 0.027 167.9)
-
Step 500
500
#759185
oklch(63.1% 0.036 167.3)
-
Step 600
600 (this color)
#557266
oklch(52.6% 0.039 167.5)
-
Step 700
700
#4D685D
oklch(49.2% 0.036 167.9)
-
Step 800
800
#3F544C
oklch(42.6% 0.029 169.6)
-
Step 900
900
#36463F
oklch(37.8% 0.024 166.6)
-
Step 950
950
#202925
oklch(27.1% 0.015 166.5)
#557266 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) | #716E65 | 0.040 |
| Deuteranopia (no green cones) | #6B6A67 | 0.038 |
| Tritanopia (no blue cones) | #4F726E | 0.014 |
| Achromatopsia (no color) | #6C6C6C | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557266
#557266
oklch(52.6% 0.039 167.5)
- #7C626F
#7C626F
oklch(52.6% 0.038 347)
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 #557266, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.039
- Battleship Gray #6C757D ΔE 0.050
- Slate #516572 ΔE 0.051
- Bluegreen #017A79 ΔE 0.057
- Dark Aquamarine #017371 ΔE 0.058
- Deep Turquoise #017374 ΔE 0.059
- Deep Aqua #08787F ΔE 0.060
- Dark Moss Green #606C38 ΔE 0.060
Use #557266 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.