#648E51
Closest named color: Light Forest Green (#4F9153). oklch(60% 0.1 136.5), rgb(100, 142, 81).
Aa
Black text reads best on this color (5.52:1).
About this color
#648E51 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.100 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.023 away. Black text reads best on it, at 5.52:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.52:1 |
| White text | 3.79:1 |
Values
| HEX | #648E51 |
| RGB | rgb(100, 142, 81) |
| HSL | hsl(101, 27%, 44%) |
| OKLCH | oklch(60% 0.1 136.5) |
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 #648E51 | 3.79:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #648E51 | 5.52:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #648E51 text on white | 3.79:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #648E51 text on black | 5.52:1 | AA | Lc -36.2 | 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 500.
-
Step 50
50
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DECC
oklch(88.6% 0.028 136.9)
-
Step 300
300
#B3C8AA
oklch(80.9% 0.047 136.2)
-
Step 400
400
#8AAC7C
oklch(70.6% 0.077 136.7)
-
Step 500
500 (this color)
#648E51
oklch(60% 0.1 136.5)
-
Step 600
600
#54823F
oklch(55.7% 0.109 136.7)
-
Step 700
700
#456D31
oklch(49% 0.1 136.2)
-
Step 800
800
#395929
oklch(42.7% 0.083 136.1)
-
Step 900
900
#314926
oklch(37.6% 0.064 136.4)
-
Step 950
950
#1D2B17
oklch(27% 0.04 136.7)
#648E51 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) | #92854C | 0.065 |
| Deuteranopia (no green cones) | #8C8255 | 0.065 |
| Tritanopia (no blue cones) | #638A7F | 0.070 |
| Achromatopsia (no color) | #838383 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648E51
#648E51
oklch(60% 0.1 136.5)
- #986DA8
#986DA8
oklch(60% 0.1 316.6)
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 #648E51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.023
- Fern Green #548D44 ΔE 0.026
- Moss Green #658B38 ΔE 0.026
- Khaki Green #728639 ΔE 0.030
- Drab Green #749551 ΔE 0.030
- Dark Sage #598556 ΔE 0.033
- Swamp #698339 ΔE 0.034
- Camo #7F8F4E ΔE 0.035
Use #648E51 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.