#5A8271
Closest named color: Slate Green (#658D6D). oklch(57.2% 0.052 166.3), rgb(90, 130, 113).
Aa
Black text reads best on this color (4.86:1).
About this color
#5A8271 is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.052 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.039 away. Black text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #5A8271 |
| RGB | rgb(90, 130, 113) |
| HSL | hsl(155, 18%, 43%) |
| OKLCH | oklch(57.2% 0.052 166.3) |
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 #5A8271 | 4.31:1 | AA large text | Lc -75.3 | Fine for body text |
| Black text on #5A8271 | 4.86:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #5A8271 text on white | 4.31:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #5A8271 text on black | 4.86:1 | AA | Lc -31.8 | Non-text elements, placeholder text |
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
#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
#6E9383
oklch(63.1% 0.048 166.5)
-
Step 600
600 (this color)
#5A8271
oklch(57.2% 0.052 166.3)
-
Step 700
700
#466A5B
oklch(49.2% 0.048 166.5)
-
Step 800
800
#39564A
oklch(42.6% 0.04 166.8)
-
Step 900
900
#32473E
oklch(37.7% 0.031 166.5)
-
Step 950
950
#1D2A24
oklch(27.1% 0.021 164.8)
#5A8271 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) | #807D70 | 0.052 |
| Deuteranopia (no green cones) | #797872 | 0.049 |
| Tritanopia (no blue cones) | #51827D | 0.020 |
| Achromatopsia (no color) | #7A7A7A | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A8271
#5A8271
oklch(57.2% 0.052 166.3)
- #8F6C7E
#8F6C7E
oklch(57.2% 0.051 346.6)
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 #5A8271, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.042
- Dark Sage #598556 ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.047
- Steel Grey #6F828A ΔE 0.050
- Medium Grey #7D7F7C ΔE 0.053
- Battleship Gray #6C757D ΔE 0.053
- Grey Blue #647D8E ΔE 0.055
Use #5A8271 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.