#508561
Closest named color: Dark Sage (#598556). oklch(56.9% 0.08 153.5), rgb(80, 133, 97).
Aa
Black text reads best on this color (4.86:1).
About this color
#508561 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.080 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.017 away. Black text reads best on it, at 4.86:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.86:1 |
| White text | 4.31:1 |
Values
| HEX | #508561 |
| RGB | rgb(80, 133, 97) |
| HSL | hsl(139, 25%, 42%) |
| OKLCH | oklch(56.9% 0.08 153.5) |
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 #508561 | 4.31:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #508561 | 4.86:1 | AA | Lc 34.3 | Non-text elements, placeholder text |
| #508561 text on white | 4.31:1 | AA large text | Lc 69.8 | Content text, not long reading |
| #508561 text on black | 4.86:1 | AA | Lc -31.9 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD3
oklch(88.5% 0.019 152.8)
-
Step 300
300
#B0C8B6
oklch(81% 0.036 153.1)
-
Step 400
400
#85AC90
oklch(70.8% 0.059 153.5)
-
Step 500
500
#669775
oklch(63.2% 0.074 153.6)
-
Step 600
600 (this color)
#508561
oklch(56.9% 0.08 153.5)
-
Step 700
700
#3D6D4D
oklch(49.1% 0.074 153.6)
-
Step 800
800
#33593F
oklch(42.7% 0.062 153.2)
-
Step 900
900
#2D4936
oklch(37.7% 0.047 153.9)
-
Step 950
950
#1B2B1F
oklch(27.1% 0.031 151.7)
#508561 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) | #857D5F | 0.071 |
| Deuteranopia (no green cones) | #7D7763 | 0.070 |
| Tritanopia (no blue cones) | #46847B | 0.040 |
| Achromatopsia (no color) | #7A7A7A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508561
#508561
oklch(56.9% 0.08 153.5)
- #94658B
#94658B
oklch(56.9% 0.08 333.6)
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 #508561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.017
- Slate Green #658D6D ΔE 0.038
- Sea Green #2E8B57 ΔE 0.039
- Viridian #1E9167 ΔE 0.044
- Military Green #667C3E ΔE 0.046
- Light Forest Green #4F9153 ΔE 0.046
- Fern Green #548D44 ΔE 0.051
- Swamp #698339 ΔE 0.051
Use #508561 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.