#5B7B59
Closest named color: Dark Sage (#598556). oklch(54.9% 0.064 143.2), rgb(91, 123, 89).
Aa
White text reads best on this color (4.74:1).
About this color
#5B7B59 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.064 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.032 away. White text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #5B7B59 |
| RGB | rgb(91, 123, 89) |
| HSL | hsl(116, 16%, 42%) |
| OKLCH | oklch(54.9% 0.064 143.2) |
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 #5B7B59 | 4.74:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #5B7B59 | 4.42:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #5B7B59 text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #5B7B59 text on black | 4.42:1 | AA large text | Lc -28.8 | 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 600.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D3DCD2
oklch(88.5% 0.017 142.6)
-
Step 300
300
#B6C6B5
oklch(80.9% 0.029 143.7)
-
Step 400
400
#90A88F
oklch(70.6% 0.045 144)
-
Step 500
500
#759373
oklch(63.1% 0.058 143.2)
-
Step 600
600 (this color)
#5B7B59
oklch(54.9% 0.064 143.2)
-
Step 700
700
#4D6A4B
oklch(49.2% 0.059 143)
-
Step 800
800
#3F563E
oklch(42.7% 0.048 143.7)
-
Step 900
900
#364734
oklch(37.7% 0.038 142.1)
-
Step 950
950
#202A1F
oklch(27.2% 0.024 142.5)
#5B7B59 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) | #7D7557 | 0.049 |
| Deuteranopia (no green cones) | #77725B | 0.047 |
| Tritanopia (no blue cones) | #587972 | 0.040 |
| Achromatopsia (no color) | #737373 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B7B59
#5B7B59
oklch(54.9% 0.064 143.2)
- #836587
#836587
oklch(54.9% 0.063 322.4)
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 #5B7B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.032
- Military Green #667C3E ΔE 0.037
- Muddy Green #657432 ΔE 0.045
- Dark Moss Green #606C38 ΔE 0.051
- Swamp #698339 ΔE 0.054
- Slate Green #658D6D ΔE 0.057
- Grey Brown #7F7053 ΔE 0.057
- Sea Green #2E8B57 ΔE 0.061
Use #5B7B59 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.