#648558
Closest named color: Dark Sage (#598556). oklch(57.9% 0.076 137.6), rgb(100, 133, 88).
Aa
Black text reads best on this color (5.03:1).
About this color
#648558 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.076 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.014 away. Black text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.03:1 |
| White text | 4.16:1 |
Values
| HEX | #648558 |
| RGB | rgb(100, 133, 88) |
| HSL | hsl(104, 20%, 43%) |
| OKLCH | oklch(57.9% 0.076 137.6) |
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 #648558 | 4.16:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #648558 | 5.03:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #648558 text on white | 4.16:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #648558 text on black | 5.03:1 | AA | Lc -33.0 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E7EBE5
oklch(93.5% 0.009 134.9)
-
Step 200
200
#D3DCD0
oklch(88.4% 0.019 137.8)
-
Step 300
300
#B6C6B1
oklch(80.8% 0.034 138.2)
-
Step 400
400
#90A988
oklch(70.7% 0.055 138.1)
-
Step 500
500
#75946A
oklch(63.1% 0.07 137.6)
-
Step 600
600 (this color)
#648558
oklch(57.9% 0.076 137.6)
-
Step 700
700
#4D6A42
oklch(49% 0.07 137.4)
-
Step 800
800
#3F5736
oklch(42.8% 0.06 137.4)
-
Step 900
900
#36472F
oklch(37.6% 0.045 136.8)
-
Step 950
950
#202A1C
oklch(27.1% 0.029 136.9)
#648558 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) | #887E55 | 0.052 |
| Deuteranopia (no green cones) | #837B5A | 0.051 |
| Tritanopia (no blue cones) | #638279 | 0.052 |
| Achromatopsia (no color) | #7C7C7C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648558
#648558
oklch(57.9% 0.076 137.6)
- #8D6C98
#8D6C98
oklch(58% 0.076 317.5)
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 #648558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.014
- Slate Green #658D6D ΔE 0.032
- Military Green #667C3E ΔE 0.034
- Swamp #698339 ΔE 0.035
- Khaki Green #728639 ΔE 0.039
- Drab #828344 ΔE 0.043
- Light Forest Green #4F9153 ΔE 0.044
- Fern Green #548D44 ΔE 0.045
Use #648558 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.